Yosuke Watanuki and Ilia Simakin will square off in the 2^nd round of the Guangzhou Challenger for the 1^st time in their career. They are scheduled to play on Wednesday at 10:00 am on CENTER COURT. Here the head to head stats and relative prediction.

Prediction, odds and live streaming

The pick for Tennis Tonic is Yosuke Watanuki who should win in 3 sets.

As per the initial odds, Yosuke Watanuki is the pick to win this match.
Yosuke Watanuki -> 1.57
Ilia Simakin -> 2.28

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 Yosuke Watanuki vs. Ilia Simakin

There is no head to head record between Yosuke Watanuki and Ilia Simakin since this will be the first time that they will fight against each other in the main tour.

Yosuke Watanuki

Ranked no. 213, the Japanese reached the 2^nd round after defeating Li Tu 6-4 6-7(8) 6-3.

In the 1^st round, The Japanese defeated Tu (6-4 6-7⁸ 6-3). During the match, Watanuki scored 113 points vs Tu’s 104. Watanuki was very aggressive to blast 43 winners.

Talking about the service games, Watanuki recorded 13 aces and he committed only 9 double faults. Yosuke Watanuki lost the serve once and he saved 3 break points. Furthermore, Watanuki put 43% of his first serves in, winning 91% (43/47) of the points behind his 1st serve and 49% (31/63) on the 2nd serve. The Japanese broke Tu 3 times after converting 43% of his break points (3/7).

Watanuki has a solid match record in the last 10 years having won 61% of his matches (238-151). 12-7 on hard in 2025. In connection with his performance on the same surface of this competition, Watanuki has an aggregate 151-86 match record in the last years on hard.

Yousuke’s best result of the current year was getting to the semifinal in the Gwangju Challenger.

Yousuke has an aggregate 13-8 win-loss record in 2025, 12-7 on hard (See FULL STATS)

.

Previously in the Guangzhou Challenger

The Japanese has never competed in this tournament before.

Ilia Simakin

Ranked no. 271 (career-high), Simakin got to the 2^nd round after defeating Ye Cong Mo 6-1 7-6(3).

In the 1^st round, Ilia had a good straight sets win against Cong Mo (6-1 7-6³). During the match Simakin scored 75 points vs Cong Mo’s 56. Ilia was exceptionally aggressive to blast 36 winners.

About the serving games, Simakin scored 13 aces and he committed only 3 double faults. Ilia Simakin lost the serve once and he saved 7 break points. Furthermore, Simakin put 55% of his first serves in, winning 88% (36/41) of the points behind his 1st serve and 47% (16/34) on the 2nd serve. Simakin broke Cong Mo 3 times after converting 50% of his break points (3/6).

Simakin’s best result of the year was getting to the semifinal in M15 Sharm ElSheikh and M15 Heraklion.

The Russian has a composed 22-7 win-loss record in 2025, 22-7 on hard (See FULL STATS).

H2H Performance in the tournament

Matches, sets, games and points

Points	Watanuki	Simakin
Match played	1	1
Tot Set	3	2
Tot Games	32	20
Pts	113-104	75-56
Total Points	217	131
Winners	43	36
%Winners	38%	48%

Both Watanuki and Simakin played 1 match. At the moment, Yosuke Watanuki lost 1 set while Ilia Simakin hasn’t surrendered a set so far. Watanuki has played 1 set more than Simakin (3 vs 2). Therefore, Watanuki played 12 games more than Simakin. Watanuki scored 43 winners (38% of the total points). On the other side, Simakin struck 36 winners (48%).

Serve Performance

Serve	Watanuki	Simakin
Aces	13	13
Avg per match	13	13
1st in	47/110	41/75
%1st in	43%	55%
1st pts	43/47	36/41
%1st pts	91%	88%
2nd pts	31/63	16/34
%2nd pts	49%	47%

Watanuki managed to score 13 aces . Simakin blasted 13 aces . Watanuki won 91% points on his first serve. He had a solid display on his second serve to win 49% of the points. On the other side, Simakin won 88% of the points on his first serve. He had a solid display on his second serve to win 47% of the points.

How they played the important points

Breaks	Watanuki	Simakin
Won	3	3
Converted	3/7	3/6
% Converted	43%	50%
Conceded	4	8
Saved	3	7
% Saved	75%	88%
Times Broken	1	1

Watanuki broke his opponent 3 times with a 43% conversion rate. Watanuki surrendered his serve once and he saved 75% of the break points that he conceded. Ilia broke his opponent 3 times with a 50% conversion rate. The Russian conceded his serve once and he saved 88% of the break points that he conceded.

Watanuki
	R1 Tu	Total
Score	6-4 6-78 6-3
Tot Set	3	3
Tot Games	32	32
pts	113-104	113-104
Total points	217	217
Winners	43	43
%Winners	38%	38%
SERVE
Aces	13	13
Double Faults	9	9
1st in	47/110	47/110
% 1st in	43%	43%
1st pts	43/47	43/47
% 1st pts	91%	91%
2nd pts	31/63	31/63
% 2nd pts	49%	49%
Breaks
Won	3	3
Converted	3/7	3/7
Converted %	43%	43%
Conceded	4	4
Saved	3/4	3
Saved %	75%	75%
Times Broken	1	1

Simakin
	R1 Cong	Total
Score	6-1 7-63
Tot Set	2	2
Tot Games	20	20
pts	75-56	75-56
Total points	131	131
Winners	36	36
%Winners	48%	48%
SERVE
Aces	13	13
Double Faults	3	3
1st in	41/75	41/75
% 1st in	55%	55%
1st pts	36/41	36/41
% 1st pts	88%	88%
2nd pts	16/34	16/34
% 2nd pts	47%	47%
Breaks
Won	3	3
Converted	3/6	3/6
Converted %	50%	50%
Conceded	8	8
Saved	7/8	7
Saved %	88%	88%
Times Broken	1	1

Tennis Scores in Guangzhou Challenger

• Yosuke WatanukiWatanuki – Li TuTu (6-4 6-7⁸ 6-3) – See score progression
• Ilia SimakinSimakin – Ye Cong MoCong Mo (6-1 7-6³) – See score progression
• Omar JasikaJasika – Christian LangmoLangmo (6-4 7-6⁵) – See score progression
• Sho ShimabukuroShimabukuro – Alex BoltBolt (3-6 6-4 6-1) – See score progression
• Hugo GrenierGrenier – Charles ChenChen (6-2 6-4) – See score progression
• Marat SharipovSharipov – Mats RosenkranzRosenkranz (6-3 3-6 6-4) – See score progression
• Moerani BouzigeBouzige – Hoyoung RohRoh (6-3 6-1) – See score progression
• Adam WaltonWalton – Andre IlaganIlagan (6-3 7-6³) – See score progression
• James McCabeMcCabe – Kasidit SamrejSamrej (6-3 6-7³ 6-3) – See score progression
• Tristan SchoolkateSchoolkate – Ryan PenistonPeniston (6-4 4-6 6-4) – See score progression
• Jie CuiCui – Yi ZhouZhou (6-4 6-4) – See score progression
• Alibek KachmazovKachmazov – Fajing SunSun (6-4 7-6⁵) – See score progression
• Terence AtmaneAtmane – Rigele TeTe (5-7 6-3 6-1) – See score progression
• Brandon HoltHolt – Rio NoguchiNoguchi (7-6³ 7-6²) – See score progression
• Antoine EscoffierEscoffier – Zachary SvajdaSvajda (6-4 6-4) – See score progression
• Yu Hsiou HsuHsiou Hsu – Constant LestienneLestienne (7-5 6-4) – See score progression
• Adam WaltonWalton – Andre IlaganIlagan (6-3 7-6(3)) – See score progression
• Alibek KachmazovKachmazov – Fajing SunSun (6-4 7-6(5)) – See score progression
• Omar JasikaJasika – Christian LangmoLangmo (6-4 7-6(5)) – See score progression
• James McCabeMcCabe – Kasidit SamrejSamrej (6-3 6-7(3) 6-3) – See score progression
• Tristan SchoolkateSchoolkate – Ryan PenistonPeniston (6-4 4-6 6-4) – See score progression
• Sho ShimabukuroShimabukuro – Alex BoltBolt (3-6 6-4 6-1) – See score progression
• Moerani BouzigeBouzige – Hoyoung RohRoh (6-3 6-1) – See score progression
• Hugo GrenierGrenier – Charles ChenChen (6-2 6-4) – See score progression

Upcoming matches in the draw

• Omar JasikaJasika – (3-2) – H2H and prediction
• Yosuke WatanukiWatanuki – (0-0) – H2H and prediction
• Jie CuiCui – Brandon HoltHolt (0-0) – H2H and prediction
• Yu Hsiou HsuHsiou Hsu – Antoine EscoffierEscoffier (0-0) – H2H and prediction
• Adam WaltonWalton – (0-2) – H2H and prediction
• Moerani BouzigeBouzige – Hugo GrenierGrenier (1-0) – H2H and prediction
• Tristan SchoolkateSchoolkate – Sho ShimabukuroShimabukuro (1-1) – H2H and prediction