
Ashlyn Krueger and Katerina Siniakova will square off in the final of the Japan Open for the 5th time in their career. They are scheduled to play on Sunday at 1:30 pm on Court 1. Here the head to head stats and relative prediction.
Prediction, odds and live streaming
The pick for Tennis Tonic is Katerina Siniakova who should win in 3 sets.
As per the initial odds, Katerina Siniakova is the pick to win this match.
Katerina Siniakova -> 1.71
Ashlyn Krueger -> 2.12
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 Ashlyn Krueger vs. Katerina Siniakova
This will be the 5th time that Ashlyn Krueger and Katerina Siniakova fight against each other. The head to head is 4-0 for Siniakova (see full H2H stats), 1-0 on hard.
The last time that they locked horns, Siniakova won 7-5 6-2 in the qualifications in Bad Homburg back in 2025.
Ashlyn Krueger

37 - 22win/loss
55
29
WWWWLWWLWL | Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2026 | 37-22 | 16-14 | 5-5 | 0-1 | 16-2 | 0-0 |
| 2025 | 25-27 | 18-17 | 4-5 | 0-0 | 3-5 | 0-0 |
| 2024 | 29-26 | 19-17 | 6-6 | 0-0 | 4-3 | 0-0 |
| 2023 | 44-26 | 26-15 | 8-6 | 2-2 | 8-3 | 0-0 |
| 2022 | 34-22 | 23-17 | 10-4 | 1-1 | 0-0 | 0-0 |
Ranked no. 55, Ashlyn reached the final after beating Janice Tjen 6-4 6-4, Lanlana Tararudee 6-3 6-1, Talia Gibson 6-1 6-3 and Ann Li 6-4 6-7(4) 6-3.
In the semifinal, The American defeated Li (6-4 6-74 6-3). During the match, Krueger scored 108 points vs Li’s 101. The American was quite aggressive to blast 51 winners.
Talking about the service games, Krueger bagged 6 aces and she committed only 2 double faults. Ashlyn Krueger lost the serve twice and she saved 5 break points. Furthermore, Krueger put 71% of her first serves in, winning 74% (51/69) of the points behind her 1st serve and 43% (12/28) on the 2nd serve. The American broke Li 5 times after converting 71% of her break points (5/7).
Overall Performance in this tournament
The American has conceded 1 set in this event to win 55% of the points she played.
WTA Osaka - Ashlyn Krueger's projected path
Krueger has a winning match record in the last 8 years having won 57% of her matches (198-150). 16-14 on hard in 2026. Talking about her performance on the same surface of this competition, Krueger has a compiled125-99 win-loss record in the last 8 years on hard.
Her best result of the current year was conquering the title the Ilkley where she defeated Celine Naef in the final 7-5 6-2.
Krueger has a compiled 37-22 win-loss record in 2026, 16-14 on hard (See FULL STATS).
Previously in Osaka
Previously, she won this tournament once in 2023. See her history.
Katerina Siniakova

22 - 19win/loss
86
27
WWWWLLWLWL | Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2026 | 22-19 | 14-12 | 4-4 | 0-0 | 4-3 | 0-0 |
| 2025 | 37-22 | 24-11 | 3-5 | 3-2 | 7-4 | 0-0 |
| 2024 | 35-25 | 18-16 | 9-6 | 1-1 | 7-2 | 0-0 |
| 2023 | 24-20 | 18-16 | 0-1 | 0-1 | 6-2 | 0-0 |
| 2022 | 28-21 | 21-13 | 6-5 | 1-0 | 0-3 | 0-0 |
Ranked no. 86, the Czech got to the final after defeating Peyton Stearns 6-4 0-6 4-0 ret., Magda Linette 6-4 6-1, Mary Stoiana 6-1 6-2 and Katie Boulter 6-1 6-4.
In the semifinal, The Czech had a good straight sets win against Boulter (6-1 6-4). During the match Siniakova scored 67 points vs Boulter’s 51. Katerina was exceptionally aggressive to blast 22 winners.
About the serving games, Siniakova couldn’t to score even 1 ace for the entire match and she committed only 4 double faults. Katerina Siniakova lost the serve twice and she saved 1 break points. Furthermore, Siniakova put 56% of her first serves in, winning 76% (22/29) of the points behind her 1st serve and 39% (9/23) on the 2nd serve. Siniakova broke Boulter 5 times after converting 33% of her break points (5/15).
Overall Performance in this tournament
The Czech hasn’t dropped yet a set in the tournament to win 59% of the points she played.
WTA Osaka - Katerina Siniakova's projected path
The Czech’s best result of the current season was getting to the semifinal in Osaka.
The Czech has an aggregate 22-19 win-loss record in 2026, 14-12 on hard (See FULL STATS).
Previously in Osaka
Previously, her best result was reaching the 2nd round in 2017. See her history.
H2H Performance in the tournament (main draw)
Matches, sets, games and points
| Points | Krueger | Siniakova |
|---|---|---|
| Match played | 4 | 4 |
| Tot Set | 9 | 10 |
| Tot Games | 84 | 69 |
| Pts | 253-209 | 250-192 |
| Total Points | 462 | 442 |
| Winners | 109 | 92 |
| %Winners | 43% | 37% |
Both Krueger and Siniakova played 4 matches. Both players lost a set in the event. Ashlyn Krueger surrendered 1 set, while Katerina Siniakova lost 1 set. Krueger has played 1 set(s) less than Siniakova (9 vs 10). However, it’s interesting to notice that Krueger played 15 games more than Siniakova. Ashlyn scored 109 winners (43% of the total points). On the other side, Katerina made 92 winners (37%).
Serve Performance
| Serve | Krueger | Siniakova |
|---|---|---|
| Aces | 11 | 5 |
| Avg per match | 2.8 | 1.3 |
| 1st in | 151/218 | 130/213 |
| %1st in | 69% | 61% |
| 1st pts | 109/151 | 92/130 |
| %1st pts | 72% | 71% |
| 2nd pts | 35/67 | 40/83 |
| %2nd pts | 52% | 48% |
Krueger recorded 11 aces (2.8 per match). Siniakova recorded 5 aces (1.3 per match). Krueger won 72% points on her first serve. She pretty solid on her second serve to win 52% of the points. On the other side, Siniakova won 71% of the points on her first serve. She had a solid display on her second serve to win 48% of the points.
How they played the important points
| Breaks | Krueger | Siniakova |
|---|---|---|
| Won | 15 | 18 |
| Converted | 15/25 | 18/40 |
| % Converted | 60% | 45% |
| Conceded | 17 | 19 |
| Saved | 13 | 12 |
| % Saved | 76% | 63% |
| Times Broken | 4 | 7 |
Ashlyn broke her opponents 15 times with a 60% conversion rate. Ashlyn dropped her serve 4 times and she saved 76% of the break points that she conceded. Katerina broke her opponents 18 times with a 45% conversion rate. Siniakova conceded her serve 7 times and she saved 63% of the break points that she conceded.
| Krueger | ||||||
| R1 Tjen |
R2 Tararudee |
1/4 Gibson |
1/2 Li |
Total | ||
|---|---|---|---|---|---|---|
| Score | 6-4 6-4 | 6-3 6-1 | 6-1 6-3 | 6-4 6-74 6-3 | ||
| Tot Set | 2 | 2 | 2 | 3 | 9 | |
| Tot Games | 20 | 16 | 16 | 32 | 84 | |
| pts | 65-52 | 63-47 | 17-9 | 108-101 | 253-209 | |
| Total points | 117 | 110 | 26 | 209 | 462 | |
| Winners | 29 | 27 | 2 | 51 | 109 | |
| %Winners | 45% | 43% | 12% | 47% | 43% | |
| SERVE | ||||||
| Aces | 4 | 1 | 0 | 6 | 11 | |
| Double Faults | 1 | 4 | 0 | 2 | 7 | |
| 1st in | 36/51 | 43/65 | 3/5 | 69/97 | 151/218 | |
| % 1st in | 71% | 66% | 60% | 71% | 69% | |
| 1st pts | 29/36 | 27/43 | 2/3 | 51/69 | 109/151 | |
| % 1st pts | 81% | 63% | 67% | 74% | 72% | |
| 2nd pts | 12/15 | 9/22 | 2/2 | 12/28 | 35/67 | |
| % 2nd pts | 80% | 41% | 100% | 43% | 52% | |
| Breaks | ||||||
| Won | 2 | 6 | 2 | 5 | 15 | |
| Converted | 2/6 | 6/9 | 2/3 | 5/7 | 15/25 | |
| Converted % | 33% | 67% | 67% | 71% | 60% | |
| Conceded | 1 | 9 | 0 | 7 | 17 | |
| Saved | 1/1 | 7/9 | 0/0 | 5/7 | 13 | |
| Saved % | 100% | 78% | – | 71% | 62% | |
| Times Broken | 0 | 2 | 0 | 2 | 4 | |
| Siniakova | ||||||
| R1 Stearns |
R2 Linette |
1/4 Stoiana |
1/2 Boulter |
Total | ||
|---|---|---|---|---|---|---|
| Score | 6-4 0-6 4-0 ret. | 6-4 6-1 | 6-1 6-2 | 6-1 6-4 | ||
| Tot Set | 3 | 2 | 2 | 2 | 9 | |
| Tot Games | 20 | 17 | 15 | 17 | 69 | |
| pts | 64-62 | 61-43 | 58-36 | 67-51 | 250-192 | |
| Total points | 126 | 104 | 94 | 118 | 442 | |
| Winners | 25 | 16 | 29 | 22 | 92 | |
| %Winners | 39% | 26% | 50% | 33% | 37% | |
| SERVE | ||||||
| Aces | 3 | 2 | 0 | 0 | 5 | |
| Double Faults | 5 | 3 | 3 | 4 | 15 | |
| 1st in | 37/64 | 26/44 | 38/53 | 29/52 | 130/213 | |
| % 1st in | 58% | 59% | 72% | 56% | 61% | |
| 1st pts | 25/37 | 16/26 | 29/38 | 22/29 | 92/130 | |
| % 1st pts | 68% | 62% | 76% | 76% | 71% | |
| 2nd pts | 13/27 | 11/18 | 7/15 | 9/23 | 40/83 | |
| % 2nd pts | 48% | 61% | 47% | 39% | 48% | |
| Breaks | ||||||
| Won | 3 | 6 | 4 | 5 | 18 | |
| Converted | 3/6 | 6/11 | 4/8 | 5/15 | 18/40 | |
| Converted % | 50% | 55% | 50% | 33% | 45% | |
| Conceded | 5 | 5 | 6 | 3 | 19 | |
| Saved | 2/5 | 3/5 | 6/6 | 1/3 | 12 | |
| Saved % | 40% | 60% | 100% | 33% | 58% | |
| Times Broken | 3 | 2 | 0 | 2 | 7 | |
Head 2 Head
WWWWWWWWWW
WWWWWWWWWW Tennis Scores in Osaka
- Storm Hunter/Janice TjenHunter/Janice Tjen – Miriam Skoch/Jesika MaleckovaSkoch/Jesika Maleckova (6-4 6-1) – Stats, scores, rankings



