Naomi Osaka and Katerina Siniakova will square off in the 2nd round of Wimbledon for the 3rd time in their career. They are scheduled to play on Wednesday at 4:00 pm on Court 2. In this post, we analyze their head to head performance and prediction.
Prediction, odds and live streaming
The pick for Tennis Tonic is Naomi Osaka who should win in 3 sets.
As per the initial odds, Naomi Osaka is the pick to win this match.
Naomi Osaka -> 1.615
Katerina Siniakova -> 2.31
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Prediction and head to head Naomi Osaka vs. Katerina Siniakova
This will be the 3rd time that Naomi Osaka and Katerina Siniakova face off. The head to head is 1-1 for Osaka and Siniakova (see full H2H stats), but they have never competed against each other on grass.
The last time that they locked horns, Siniakova won 6-4 6-2 in the 3rd round in Paris back in 2019.
Naomi Osaka
19 - 9win/loss
16
1
WWLWLLWWWW | Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2025 | 35-15 | 24-9 | 8-3 | 0-0 | 3-3 | 0-0 |
| 2024 | 22-18 | 13-10 | 5-5 | 1-0 | 3-3 | 0-0 |
| 2023 | 0-0 | 0-0 | 0-0 | 0-0 | 0-0 | 0-0 |
| 2022 | 14-9 | 13-7 | 1-2 | 0-0 | 0-0 | 0-0 |
| 2021 | 18-6 | 16-4 | 2-2 | 0-0 | 0-0 | 0-0 |
Ranked no. 53, Naomi reached the 2nd round after beating Talia Gibson 6-4 7-6(4).
In the 1st round, Osaka had a good straight sets win against Gibson (6-4 7-64). During the match, Osaka scored 80 points vs Gibson’s 63. Osaka was pretty aggressive to blast 36 winners.
Regarding the service games, Osaka made 5 aces and she committed only 5 double faults. Naomi Osaka lost the serve 3 times and she saved 1 break points. Furthermore, Osaka put 60% of her first serves in, winning 78% (36/46) of the points behind her 1st serve and 35% (11/31) on the 2nd serve. Osaka broke Gibson 4 times after converting 80% of her break points (4/5).
Osaka has a solid record in the last 10 years having won 66% of her matches (233-121). 2-2 on grass in 2025. Talking about her performance on the same surface of this tournament, Osaka has an aggregate 17-15 win-loss record in the last years on grass.
Her best result of the year was winning the title the Malo where she defeated Kaja Juvan in the final 6-1 7-5.
Osaka has a compiled 19-9 win-loss record in 2025, 2-2 on grass (See FULL STATS).
Previously in Wimbledon
Katerina Siniakova
20 - 15win/loss
48
27
LWWWWWLLWW | Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 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 |
| 2021 | 23-19 | 9-10 | 7-4 | 1-3 | 6-2 | 0-0 |
Ranked no. 81, the Czech reached the 2nd round after beating Qinwen Zheng 7-5 4-6 6-1.
In the 1st round, Siniakova defeated Zheng (7-5 4-6 6-1). During the match Siniakova scored 98 points vs Zheng’s 86. Katerina was quite aggressive to blast 39 winners.
Talking about serving, Siniakova fired 6 aces and she committed only 8 double faults. Overall, Katerina Siniakova was extremely effective on serve to win 74% (39/53) of her 1st serve and 51% (19/37) on the second serve. However, this didn’t prevent her to concede the serve 3 times. The Czech broke Zheng 5 times after converting 33% of her break points (5/15).
The Czech’s best result of the current year was getting to the semifinal in Napoca.
Siniakova has an aggregate 20-15 win-loss record in 2025, 7-3 on grass (See FULL STATS).
Previously in Wimbledon
Previously, her best result was reaching the 3rd round in 2016, 2018 and 2021. See her history.
H2H Performance in the tournament
Matches, sets, games and points
| Points | Osaka | Siniakova |
|---|---|---|
| Match played | 1 | 1 |
| Tot Set | 2 | 3 |
| Tot Games | 23 | 29 |
| Pts | 80-63 | 98-86 |
| Total Points | 143 | 184 |
| Winners | 36 | 39 |
| %Winners | 45% | 40% |
Both Osaka and Siniakova played 1 match. At the moment, Katerina Siniakova dropped 1 set while Naomi Osaka hasn’t conceded a set so far. Osaka has played 1 set(s) less than Siniakova (2 vs 3). Therefore, Osaka played 6 games less than Siniakova. Osaka scored 36 winners (45% of the total points). On the other side, Katerina fired 39 winners (40%).
Serve Performance
| Serve | Osaka | Siniakova |
|---|---|---|
| Aces | 5 | 6 |
| Avg per match | 5 | 6 |
| 1st in | 46/77 | 53/90 |
| %1st in | 60% | 59% |
| 1st pts | 36/46 | 39/53 |
| %1st pts | 78% | 74% |
| 2nd pts | 11/31 | 19/37 |
| %2nd pts | 35% | 51% |
Osaka bagged 5 aces . Siniakova blasted 6 aces . Osaka won 78% points behind her first serve. She had a solid display on her second serve to win 35% of the points. On the other side, Siniakova won 74% of the points on her first serve. She had a solid display on her second serve to win 51% of the points.
How they played the important points
| Breaks | Osaka | Siniakova |
|---|---|---|
| Won | 4 | 5 |
| Converted | 4/5 | 5/15 |
| % Converted | 80% | 33% |
| Conceded | 4 | 5 |
| Saved | 1 | 2 |
| % Saved | 25% | 40% |
| Times Broken | 3 | 3 |
Naomi broke her opponent 4 times with a 80% conversion rate. Osaka lost her serve 3 times and she saved 25% of the break points that she conceded. Katerina broke her opponent 5 times with a 33% conversion rate. Katerina conceded her serve 3 times and she saved 40% of the break points that she conceded.
| Osaka | |||
| R1 Gibson |
Total | ||
|---|---|---|---|
| Score | 6-4 7-64 | ||
| Tot Set | 2 | 2 | |
| Tot Games | 23 | 23 | |
| pts | 80-63 | 80-63 | |
| Total points | 143 | 143 | |
| Winners | 36 | 36 | |
| %Winners | 45% | 45% | |
| SERVE | |||
| Aces | 5 | 5 | |
| Double Faults | 5 | 5 | |
| 1st in | 46/77 | 46/77 | |
| % 1st in | 60% | 60% | |
| 1st pts | 36/46 | 36/46 | |
| % 1st pts | 78% | 78% | |
| 2nd pts | 11/31 | 11/31 | |
| % 2nd pts | 35% | 35% | |
| Breaks | |||
| Won | 4 | 4 | |
| Converted | 4/5 | 4/5 | |
| Converted % | 80% | 80% | |
| Conceded | 4 | 4 | |
| Saved | 1/4 | 1 | |
| Saved % | 25% | 25% | |
| Times Broken | 3 | 3 | |
| Siniakova | |||
| R1 Zheng |
Total | ||
|---|---|---|---|
| Score | 7-5 4-6 6-1 | ||
| Tot Set | 3 | 3 | |
| Tot Games | 29 | 29 | |
| pts | 98-86 | 98-86 | |
| Total points | 184 | 184 | |
| Winners | 39 | 39 | |
| %Winners | 40% | 40% | |
| SERVE | |||
| Aces | 6 | 6 | |
| Double Faults | 8 | 8 | |
| 1st in | 53/90 | 53/90 | |
| % 1st in | 59% | 59% | |
| 1st pts | 39/53 | 39/53 | |
| % 1st pts | 74% | 74% | |
| 2nd pts | 19/37 | 19/37 | |
| % 2nd pts | 51% | 51% | |
| Breaks | |||
| Won | 5 | 5 | |
| Converted | 5/15 | 5/15 | |
| Converted % | 33% | 33% | |
| Conceded | 5 | 5 | |
| Saved | 2/5 | 2 | |
| Saved % | 40% | 40% | |
| Times Broken | 3 | 3 | |
Head 2 Head
WWLWLLWWWW
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