Sayaka Ishii and Sachia Vickery will fight against each other in the qualifications of the Australian Open for the 1^st time in their career. They are scheduled to play on Wednesday at 3:00 pm on Court 16. In the following lines you can find the head to head analysis and prediction.

Prediction, odds and live streaming

The pick for Tennis Tonic is Sayaka Ishii who should win in 3 sets.

As per the initial odds, Sayaka Ishii is the pick to win this match.
Sayaka Ishii -> 1.75
Sachia Vickery -> 2.03

Click here to see the updated quotes and live streaming (only selected countries - USA excluded).

To be able to watch live streaming bet365, a funded account is required or you need to have placed a bet in the last 24 hours. 18+ BeGambleAware.

Here where top tennis events are broadcasted or streamed online (ATP, WTA).

At the challenger level, there will be free live streaming on Challenger TV.

 

Prediction and head to head Sayaka Ishii vs. Sachia Vickery

There is no head to head record between Sayaka Ishii and Sachia Vickery since this will be the first time that they will fight against each other in the main tour.

Sayaka Ishii

Ranked no. 204, the Japanese got to the qualifications after beating Aoi Ito 6-3 6-4.

In the qualifications, Ishii had a good straight sets win against Ito (6-3 6-4). During the match, Ishii scored 78 points vs Ito’s 59. Ishii was very aggressive to blast 23 winners.

Regarding the service games, Ishii wasn’t able to score even 1 ace throughout the encounter and she committed only 1 double fault. Sayaka Ishii lost the serve 3 times and she saved 3 break points. Furthermore, Ishii put 64% of her first serves in, winning 62% (23/37) of the points behind her 1st serve and 57% (12/21) on the 2nd serve. Sayaka broke Ito 6 times after converting 46% of her break points (6/13).

Ishii has a solid record in the last 4 years having won 64% of her matches (94-53). 2-1 on hard in 2025. In connection with her performance on the same surface of this tournament, Ishii has an aggregate71-37 match record in the last 4 years on hard.

The Japanese has an overall 2-1 win-loss record in 2025, 2-1 on hard (See FULL STATS).

Previously at the Australian Open

Sayaka has never competed in this tournament before.

Sachia Vickery

Ranked no. 208, Vickery reached the qualifications after defeating Ana Konjuh 7-6(7) 3-6 6-0.

In the qualifications, Sachia defeated Konjuh (7-6⁷ 3-6 6-0). During the match Vickery scored 97 points vs Konjuh’s 85. The American was quite aggressive to blast 35 winners.

About the serving games, Vickery blasted 4 aces and she committed only 1 double fault for the entire match. Sachia Vickery lost the serve 3 times and she saved 2 break points. Furthermore, Vickery put 61% of her first serves in, winning 65% (35/54) of the points behind her 1st serve and 62% (21/34) on the 2nd serve. Sachia broke Konjuh 4 times after converting 40% of her break points (4/10).

Sachia has a compiled 2-1 win-loss record in 2025, 2-1 on hard (See FULL STATS).

Previously at the Australian Open

Previously, her best result was reaching the 2^nd round in 2019. See her history.

H2H Performance in the tournament

Matches, sets, games and points

Points	Ishii	Vickery
Match played	1	1
Tot Set	2	3
Tot Games	19	28
Pts	78-59	97-85
Total Points	137	182
Winners	23	35
%Winners	29%	36%

Both Ishii and Vickery played 1 match. Also both players started their run from the qualifications.At the moment, Sachia Vickery surrendered 1 set while Sayaka Ishii hasn’t dropped a set so far. Ishii has played 1 set(s) less than Vickery (2 vs 3). Therefore, Ishii played 9 games less than Vickery. The Japanese scored 23 winners (29% of the total points). On the other side, The American recorded 35 winners (36%).

Serve Performance

Serve	Ishii	Vickery
Aces	0	4
Avg per match	0	4
1st in	37/58	54/88
%1st in	64%	61%
1st pts	23/37	35/54
%1st pts	62%	65%
2nd pts	12/21	21/34
%2nd pts	57%	62%

Ishii didn’t manage to fire a single ace to far. Vickery scored 4 aces . Ishii won 62% points on her first serve. She was rock solid on her second serve to win 57% of the points. On the other side, Vickery won 65% of the points behind her first serve. She had a solid display on her second serve to win 62% of the points.

How they played the important points

Breaks	Ishii	Vickery
Won	6	4
Converted	6/13	4/10
% Converted	46%	40%
Conceded	6	5
Saved	3	2
% Saved	50%	40%
Times Broken	3	3

Sayaka broke her opponent 6 times with a 46% conversion rate. Sayaka conceded her serve 3 times and she saved 50% of the break points that she conceded. Sachia broke her opponent 4 times with a 40% conversion rate. Vickery conceded her serve 3 times and she saved 40% of the break points that she conceded.

Ishii
	Q1 Ito	Total
Score	6-3 6-4
Tot Set	2	2
Tot Games	19	19
pts	78-59	78-59
Total points	137	137
Winners	23	23
%Winners	29%	29%
SERVE
Aces	0	0
Double Faults	1	1
1st in	37/58	37/58
% 1st in	64%	64%
1st pts	23/37	23/37
% 1st pts	62%	62%
2nd pts	12/21	12/21
% 2nd pts	57%	57%
Breaks
Won	6	6
Converted	6/13	6/13
Converted %	46%	46%
Conceded	6	6
Saved	3/6	3
Saved %	50%	50%
Times Broken	3	3

Vickery
	Q1 Konjuh	Total
Score	7-67 3-6 6-0
Tot Set	3	3
Tot Games	28	28
pts	97-85	97-85
Total points	182	182
Winners	35	35
%Winners	36%	36%
SERVE
Aces	4	4
Double Faults	1	1
1st in	54/88	54/88
% 1st in	61%	61%
1st pts	35/54	35/54
% 1st pts	65%	65%
2nd pts	21/34	21/34
% 2nd pts	62%	62%
Breaks
Won	4	4
Converted	4/10	4/10
Converted %	40%	40%
Conceded	5	5
Saved	2/5	2
Saved %	40%	40%
Times Broken	3	3

Tennis Scores – Australian Open

• Kimberly BirrellBirrell – Sara SaitoSaito (7-6⁴ 6-2) – See score progression
• Arina RodionovaRodionova – Aliona FaleiFalei (6-3 7-5) – See score progression
• Darya AstakhovaAstakhova – Ena ShibaharaShibahara (1-6 6-3 6-0) – See score progression
• Eva LysLys – Hanne VandewinkelVandewinkel (6-4 6-3) – See score progression
• Anastasia ZakharovaZakharova – Kyoka OkamuraOkamura (7-6⁶ 6-0) – See score progression
• Maja ChwalinskaChwalinska – Dominika SalkovaSalkova (7-6³ 5-7 7-6) – See score progression
• Kristina MladenovicMladenovic – Louisa ChiricoChirico (6-2 6-4) – See score progression
• Polina KudermetovaKudermetova – Susan BandecchiBandecchi (6-1 7-5) – See score progression
• Mirjam BjorklundBjorklund – Alycia ParksParks (6-2 6-3) – See score progression
• Sara ErraniErrani – Alina KorneevaKorneeva (2-6 6-3 6-3) – See score progression
• Sara BejlekBejlek – Kathinka Von DeichmannVon Deichmann (6-0 3-6 6-2) – See score progression
• Jana FettFett – Alexandra EalaEala (7-5 6-2) – See score progression
• Sara Sorribes TormoSorribes Tormo – Jaimee FourlisFourlis (7-6⁵ 5-7 6-4) – See score progression
• Jil TeichmannTeichmann – Han ShiShi (5-7 6-2 6-2) – See score progression
• Ella SeidelSeidel – Claire LiuLiu (7-5 6-2) – See score progression
• Veronika ErjavecErjavec – Alana SubasicSubasic (6-2 6-3) – See score progression
• Francesca JonesJones – Linda FruhvirtovaFruhvirtova (7-5 6-4) – See score progression
• Sinja KrausKraus – Viktoria HruncakovaHruncakova (6-1 6-2) – See score progression
• Mananchaya SawangkaewSawangkaew – Marina Bassols RiberaBassols Ribera (6-1 7-5) – See score progression
• Xinyu GaoGao – Anouk KoevermansKoevermans (6-0 6-0) – See score progression
• Priscilla HonHon – Usue Maitane ArconadaMaitane Arconada (6-3 6-7⁵ 6-4) – See score progression
• Selena JanicijevicJanicijevic – Lin ZhuZhu (6-3 1-6 6-2) – See score progression
• Elena MicicMicic – Elena PridankinaPridankina (6-3 3-6 7-5) – See score progression
• Lucija Ciric BagaricCiric Bagaric – Solana SierraSierra (6-2 7-5) – See score progression
• Carole MonnetMonnet – Darja SemenistajaSemenistaja (6-4 3-6 6-2) – See score progression
• Marie BenoitBenoit – Yuriko MiyazakiMiyazaki (5-7 6-4 7-6⁸) – See score progression
• Sayaka IshiiIshii – Aoi ItoIto (6-3 6-4) – See score progression
• Sachia VickeryVickery – Ana KonjuhKonjuh (7-6⁷ 3-6 6-0) – See score progression
• Astra SharmaSharma – Mai HontamaHontama (3-6 6-3 6-4) – See score progression
• Maddison InglisInglis – Elsa JacquemotJacquemot (6-3 6-2) – See score progression
• Viktorija GolubicGolubic – Anastasiia SobolievaSobolieva (6-3 6-3) – See score progression
• Mariam BolkvadzeBolkvadze – Antonia RuzicRuzic (3-6 6-3 6-3) – See score progression
• Sijia WeiWei – Aliaksandra SasnovichSasnovich (7-5 4-6 6-3) – See score progression
• Oksana SelekhmetevaSelekhmeteva – Dalma GalfiGalfi (6-4 3-6 6-4) – See score progression
• Laura PigossiPigossi – Guiomar Zuleta De RealesZuleta De Reales (6-3 6-1) – See score progression
• Brenda FruhvirtovaFruhvirtova – Ysaline BonaventureBonaventure (6-4 6-2) – See score progression
• Tamara KorpatschKorpatsch – Nuria BrancaccioBrancaccio (6-2 3-6 6-4) – See score progression
• Leolia JeanjeanJeanjean – Lina GlushkoGlushko (1-6 6-2 6-1) – See score progression
• Renata JamrichovaJamrichova – Manon LeonardLeonard (6-3 7-5) – See score progression
• Robin MontgomeryMontgomery – Polona HercogHercog (6-2 6-1) – See score progression
• Nina StojanovicStojanovic – Celine NaefNaef (6-4 6-3) – See score progression
• Petra MarticMartic – Petra HuleHule (6-2 7-6⁶) – See score progression
• Maria TimofeevaTimofeeva – Alice TubelloTubello (6-4 4-6 7-5) – See score progression
• Anca Alexia TodoniAlexia Todoni – Victoria Jimenez KasintsevaJimenez Kasintseva (6-1 4-6 6-4) – See score progression
• Elena Gabriela RuseGabriela Ruse – Leonie KungKung (6-1 6-1) – See score progression
• Harriet DartDart – Lizette CabreraCabrera (6-2 7-6⁵) – See score progression
• Emina BektasBektas – Arianne HartonoHartono (6-2 3-6 6-1) – See score progression
• Anna-Lena FriedsamFriedsam – Aliona BolsovaBolsova (6-4 6-1) – See score progression
• Heather WatsonWatson – Lola RadivojevicRadivojevic (7-5 6-7¹⁴ 6-2) – See score progression
• Nao HibinoHibino – Marina StakusicStakusic (7-6⁵ 6-1) – See score progression
• Panna UdvardyUdvardy – Melisa ErcanErcan (6-0 6-3) – See score progression
• Ekaterina Makarova (1996)Makarova (1996) – Noma Akugue NohaAkugue Noha (6-2 6-3) – See score progression
• Destanee AiavaAiava – Ana BogdanBogdan (6-4 6-2) – See score progression
• Raluca Georgiana SerbanGeorgiana Serban – Jessika PonchetPonchet (7-6⁵ 6-0) – See score progression
• Julia RieraRiera – Lea BoskovicBoskovic (4-6 6-1 6-2) – See score progression
• Barbora PalicovaPalicova – Simona WaltertWaltert (7-5 7-6⁵) – See score progression
• Miriam Bianca BulgaruBianca Bulgaru – Georgia PedonePedone (6-2 6-3) – See score progression
• Daria SnigurSnigur – Emiliana ArangoArango (3-6 7-5 6-3) – See score progression
• Anna SchmiedlovaSchmiedlova – Tina Nadine SmithNadine Smith (6-2 6-2) – See score progression
• Tamara ZidansekZidansek – Lanlana TararudeeTararudee (6-0 4-6 6-4) – See score progression
• Taylah PrestonPreston – Mona BarthelBarthel (6-1 6-2) – See score progression
• Leyre Romero GormazRomero Gormaz – Lucrezia StefaniniStefanini (6-3 3-6 6-4) – See score progression
• Varvara LepchenkoLepchenko – Hanna ChangChang (6-1 6-3) – See score progression
• Rebeka MasarovaMasarova – Irene Burillo EscorihuelaBurillo Escorihuela (6-7⁶ 6-3 6-1) – See score progression
• Martins RocensRocens – Almir NokicNokic (6-0 6-2) – See score progression
• Oliver JohanssonJohansson – Arvid NordquistNordquist (7-6³ 6-2) – See score progression
• Adrian OetzbachOetzbach – Edis NokicNokic (6-1 6-3) – See score progression
• Eric Ahren MoongaAhren Moonga – Stefan ZoricZoric (6-1 6-2) – See score progression
• Lucas RenardRenard – Aron SarenwaldSarenwald (6-0 6-0) – See score progression
• Oleg KhotkovKhotkov – Jakob Arvidsson EhnArvidsson Ehn (4-6 6-4 10-3) – See score progression
• Simon FreundFreund – Erik GreveliusGrevelius (6-2 6-2) – See score progression
• Viktorija GolubicGolubic – Anastasiia SobolievaSobolieva (6-3 6-3) – See score progression
• Brenda FruhvirtovaFruhvirtova – Ysaline BonaventureBonaventure (6-4 6-2) – See score progression
• Marie BenoitBenoit – Yuriko MiyazakiMiyazaki (5-7 6-4 7-6(8)) – See score progression
• Maja ChwalinskaChwalinska – Dominika SalkovaSalkova (7-6(3) 5-7 7-6) – See score progression
• Kristina MladenovicMladenovic – Louisa ChiricoChirico (6-2 6-4) – See score progression
• Elena MicicMicic – Elena PridankinaPridankina (6-3 3-6 7-5) – See score progression
• Darya AstakhovaAstakhova – Ena ShibaharaShibahara (1-6 6-3 6-0) – See score progression
• Anastasia ZakharovaZakharova – Kyoka OkamuraOkamura (7-6(6) 6-0) – See score progression
• Sara BejlekBejlek – Kathinka Von DeichmannVon Deichmann (6-0 3-6 6-2) – See score progression
• Francesca JonesJones – Linda FruhvirtovaFruhvirtova (7-5 6-4) – See score progression
• Jil TeichmannTeichmann – Han ShiShi (5-7 6-2 6-2) – See score progression
• Petra MarticMartic – Petra HuleHule (6-2 7-6(6)) – See score progression
• Xinyu GaoGao – Anouk KoevermansKoevermans (6-0 6-0) – See score progression
• Veronika ErjavecErjavec – Alana SubasicSubasic (6-2 6-3) – See score progression
• Mananchaya SawangkaewSawangkaew – Marina Bassols RiberaBassols Ribera (6-1 7-5) – See score progression

Upcoming matches in the draw

• Mirjam BjorklundBjorklund – (0-0) – H2H and prediction
• Sinja KrausKraus – Jana FettFett (1-0) – H2H and prediction
• Viktorija GolubicGolubic – Laura PigossiPigossi (1-0) – H2H and prediction
• Sachia VickeryVickery – (0-0) – H2H and prediction
• Harriet DartDart – (1-0) – H2H and prediction
• Ekaterina Makarova (1996)Makarova (1996) – Nao HibinoHibino (0-0) – H2H and prediction
• Sara ErraniErrani – (0-1) – H2H and prediction
• Marie BenoitBenoit – Maja ChwalinskaChwalinska (1-1) – H2H and prediction
• Sara Sorribes TormoSorribes Tormo – Maddison InglisInglis (0-0) – H2H and prediction
• Miriam Bianca BulgaruBianca Bulgaru – Julia RieraRiera (0-1) – H2H and prediction
• Anna SchmiedlovaSchmiedlova – Rebeka MasarovaMasarova (1-1) – H2H and prediction
• Anastasia ZakharovaZakharova – (0-0) – H2H and prediction
• Francesca JonesJones – Jil TeichmannTeichmann (0-1) – H2H and prediction
• Kimberly BirrellBirrell – Priscilla HonHon (3-5) – H2H and prediction
• Astra SharmaSharma – (0-0) – H2H and prediction
• Destanee AiavaAiava – Panna UdvardyUdvardy (0-0) – H2H and prediction
• Arina RodionovaRodionova – Eva LysLys (0-0) – H2H and prediction
• Tamara KorpatschKorpatsch – Sijia WeiWei (0-0) – H2H and prediction
• Heather WatsonWatson – Varvara LepchenkoLepchenko (2-1) – H2H and prediction
• Carole MonnetMonnet – (0-0) – H2H and prediction
• Tamara ZidansekZidansek – Raluca Georgiana SerbanGeorgiana Serban (0-0) – H2H and prediction
• Leolia JeanjeanJeanjean – (0-0) – H2H and prediction
• Elena Gabriela RuseGabriela Ruse – Anna-Lena FriedsamFriedsam (0-0) – H2H and prediction
• Emina BektasBektas – (0-0) – H2H and prediction
• Petra MarticMartic – Xinyu GaoGao (0-0) – H2H and prediction
• Veronika ErjavecErjavec – Mananchaya SawangkaewSawangkaew (0-0) – H2H and prediction