Katie Boulter and Viktorija Golubic will square off in the 2nd round of the Japan Open for the 5th time in their career. They are scheduled to play on Wednesday at 3:00 pm on Center Court. 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 Viktorija Golubic who should win in 3 sets.
As per the initial odds, Viktorija Golubic is the pick to win this match.
Viktorija Golubic -> 1.8
Katie Boulter -> 2
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 Katie Boulter vs. Viktorija Golubic
This will be the 5th time that Katie Boulter and Viktorija Golubic clash against each other. The head to head is 2-2 (see full H2H stats), 2-0 on hard.
The last time that they competed against each other, Boulter won 6-2 6-2 in the 2nd round in Ostrava back in February 2026.
Highlights Katie Boulter vs Viktorija Golubic – Ostrava 04-February-2026
Katie Boulter
23 - 21win/loss
58
23
WLLWLLWLWL | Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2026 | 23-21 | 10-11 | 5-6 | 5-1 | 3-3 | 0-0 |
| 2025 | 22-22 | 9-14 | 8-4 | 1-1 | 4-3 | 0-0 |
| 2024 | 38-23 | 24-12 | 3-6 | 3-2 | 8-3 | 0-0 |
| 2023 | 40-20 | 22-12 | 1-1 | 3-3 | 10-4 | 4-0 |
| 2022 | 29-18 | 4-7 | 0-0 | 16-7 | 9-4 | 0-0 |
Ranked no. 58, the Brit reached the 2nd round after beating Himeno Sakatsume 6-3 6-1.
In the 1st round, Katie had a good straight sets win against Sakatsume (6-3 6-1). During the match, Boulter scored 74 points vs Sakatsume’s 55. The Brit was pretty aggressive to blast 31 winners.
Talking about the service games, Boulter scored just 1 ace during the match and she committed only 7 double faults. Katie Boulter lost the serve once and she saved 12 break points. Furthermore, Boulter put 61% of her first serves in, winning 67% (31/46) of the points behind her 1st serve and 48% (14/29) on the 2nd serve. Boulter broke Sakatsume 5 times after converting 56% of her break points (5/9).
Boulter has a solid win-loss record in the last 10 years having won 61% of her matches (285-185). 10-11 on hard in 2026. In connection with her performance on the same surface of this competition, Boulter has an aggregate 129-106 record in the last years on hard.
Her best result of the current season was conquering the title in Ostrava where she overcame Tamara Korpatsch in the final 5-7 6-2 6-1.
Boulter has an overall 23-21 win-loss record in 2026, 10-11 on hard (See FULL STATS).
Previously in Osaka
Previously, her best result was reaching the 2nd round in 2025. See her history.
Viktorija Golubic
29 - 24win/loss
82
35
WLLWWLLWLW | Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2026 | 29-24 | 8-11 | 8-5 | 6-5 | 7-3 | 0-0 |
| 2025 | 36-25 | 24-13 | 5-6 | 2-2 | 5-4 | 0-0 |
| 2024 | 29-20 | 15-11 | 2-4 | 7-0 | 5-5 | 0-0 |
| 2023 | 34-21 | 14-9 | 2-5 | 10-3 | 8-4 | 0-0 |
| 2022 | 31-25 | 12-10 | 4-7 | 11-4 | 4-4 | 0-0 |
Ranked no. 82, Viktorija reached the 2nd round after beating Mai Hontama 6-3 6-1.
In the 1st round, Golubic had a good straight sets win against Hontama (6-3 6-1). During the match Golubic scored 65 points vs Hontama’s 44. The Swiss was pretty aggressive to blast 24 winners.
About the serving games, Golubic couldn’t to score even 1 ace for the entire match and she committed only 3 double faults. Viktorija Golubic lost the serve twice and she saved 7 break points. Furthermore, Golubic put 73% of her first serves in, winning 60% (24/40) of the points behind her 1st serve and 60% (9/15) on the 2nd serve. Golubic broke Hontama 6 times after converting 55% of her break points (6/11).
Golubic’s best result of the year was getting to the semifinal in the Oeiras.
The Swiss has a compiled 29-24 win-loss record in 2026, 8-11 on hard (See FULL STATS).
Previously in Osaka
Previously, her best result was reaching the quarter in 2025. See her history.
H2H Performance in the tournament
Matches, sets, games and points
| Points | Boulter | Golubic |
|---|---|---|
| Match played | 1 | 1 |
| Tot Set | 2 | 2 |
| Tot Games | 16 | 16 |
| Pts | 74-55 | 65-44 |
| Total Points | 129 | 109 |
| Winners | 31 | 24 |
| %Winners | 42% | 37% |
Both Boulter and Golubic played 1 match. Both players have not lost a single set in this event so far. Talking about their workload, Boulter and Golubic have played the same amount of sets 2. They also played the same amount of games (16). The Brit scored 31 winners (42% of the total points). On the other side, Viktorija recorded 24 winners (37%).
Serve Performance
| Serve | Boulter | Golubic |
|---|---|---|
| Aces | 1 | 0 |
| Avg per match | 1 | 0 |
| 1st in | 46/75 | 40/55 |
| %1st in | 61% | 73% |
| 1st pts | 31/46 | 24/40 |
| %1st pts | 67% | 60% |
| 2nd pts | 14/29 | 9/15 |
| %2nd pts | 48% | 60% |
Boulter scored 1 ace . Golubic didn’t manage to fire a single ace to far. Boulter won 67% points on her first serve. She pretty effective on her second serve to win 48% of the points. On the other side, Golubic won 60% of the points behind her first serve. She had a solid display on her second serve to win 60% of the points.
How they played the important points
| Breaks | Boulter | Golubic |
|---|---|---|
| Won | 5 | 6 |
| Converted | 5/9 | 6/11 |
| % Converted | 56% | 55% |
| Conceded | 13 | 9 |
| Saved | 12 | 7 |
| % Saved | 92% | 78% |
| Times Broken | 1 | 2 |
Katie broke her opponent 5 times with a 56% conversion rate. Katie lost her serve once and she saved 92% of the break points that she conceded. Golubic broke her opponent 6 times with a 55% conversion rate. Golubic conceded her serve twice and she saved 78% of the break points that she conceded.
| Boulter | |||
| R1 Sakatsume |
Total | ||
|---|---|---|---|
| Score | 6-3 6-1 | ||
| Tot Set | 2 | 2 | |
| Tot Games | 16 | 16 | |
| pts | 74-55 | 74-55 | |
| Total points | 129 | 129 | |
| Winners | 31 | 31 | |
| %Winners | 42% | 42% | |
| SERVE | |||
| Aces | 1 | 1 | |
| Double Faults | 7 | 7 | |
| 1st in | 46/75 | 46/75 | |
| % 1st in | 61% | 61% | |
| 1st pts | 31/46 | 31/46 | |
| % 1st pts | 67% | 67% | |
| 2nd pts | 14/29 | 14/29 | |
| % 2nd pts | 48% | 48% | |
| Breaks | |||
| Won | 5 | 5 | |
| Converted | 5/9 | 5/9 | |
| Converted % | 56% | 56% | |
| Conceded | 13 | 13 | |
| Saved | 12/13 | 12 | |
| Saved % | 92% | 92% | |
| Times Broken | 1 | 1 | |
| Golubic | |||
| R1 Hontama |
Total | ||
|---|---|---|---|
| Score | 6-3 6-1 | ||
| Tot Set | 2 | 2 | |
| Tot Games | 16 | 16 | |
| pts | 65-44 | 65-44 | |
| Total points | 109 | 109 | |
| Winners | 24 | 24 | |
| %Winners | 37% | 37% | |
| SERVE | |||
| Aces | 0 | 0 | |
| Double Faults | 3 | 3 | |
| 1st in | 40/55 | 40/55 | |
| % 1st in | 73% | 73% | |
| 1st pts | 24/40 | 24/40 | |
| % 1st pts | 60% | 60% | |
| 2nd pts | 9/15 | 9/15 | |
| % 2nd pts | 60% | 60% | |
| Breaks | |||
| Won | 6 | 6 | |
| Converted | 6/11 | 6/11 | |
| Converted % | 55% | 55% | |
| Conceded | 9 | 9 | |
| Saved | 7/9 | 7 | |
| Saved % | 78% | 78% | |
| Times Broken | 2 | 2 | |
Head 2 Head
WWWWWWWWWW
WWWWWWWWWW Tennis Scores in Osaka
- Zeynep SonmezSonmez – Maya JointJoint (3-6 6-4 6-3) – See score progression
- Magda LinetteLinette – Claire LiuLiu (6-4 6-3) – See score progression
- Moyuka UchijimaUchijima – Ena ShibaharaShibahara (6-4 6-7(7) 6-3) – See score progression
- Katie BoulterBoulter – Himeno SakatsumeSakatsume (6-3 6-1) – See score progression
- Ann LiLi – Emerson JonesJones (5-7 6-0 6-3) – See score progression
- Tereza ValentovaValentova – Shuai ZhangZhang (6-2 1-6 6-4) – See score progression
- Antonia RuzicRuzic – Paula BadosaBadosa (3-6 6-4 6-3) – See score progression
- Mary StoianaStoiana – Oleksandra OliynykovaOliynykova (6-2 6-3) – See score progression
- Talia GibsonGibson – Harriet DartDart (7-5 7-66) – See score progression
- Lanlana TararudeeTararudee – Kaitlin QuevedoQuevedo (7-5 6-3) – See score progression
- Ya Hsin Lee/Fang-Hsien WuHsin Lee/Fang-Hsien Wu – Mai Hontama/Moyuka UchijimaHontama/Moyuka Uchijima (6-3 6-3) – See score progression
- Viktorija GolubicGolubic – Mai HontamaHontama (6-3 6-1) – See score progression
- Lilli TaggerTagger – Liudmila SamsonovaSamsonova (6-3 6-3) – See score progression
- Ashlyn KruegerKrueger – Janice TjenTjen (6-4 6-4) – See score progression
- Sinja KrausKraus – Caty McNallyMcNally (6-4 3-1 ret.) – See score progression
- Ingrid Neel/Giuliana OlmosNeel/Giuliana Olmos – I-Hsuan Cho/Yi Tsen ChoCho/Yi Tsen Cho (6-74 6-3 11-9) – See score progression
- Dominic Stephan StrickerStephan Stricker – Raphael BaltenspergerBaltensperger (6-1 5-7 7-65) – See score progression
- Ann LiLi – Emerson JonesJones (5-7 6-0 6-3) – See score progression
- Tereza ValentovaValentova – Shuai ZhangZhang (6-2 1-6 6-4) – See score progression
- Katie BoulterBoulter – Himeno SakatsumeSakatsume (6-3 6-1) – See score progression
- Antonia RuzicRuzic – Paula Badosa GibertBadosa Gibert (3-6 6-4 6-3) – See score progression
- Mary StoianaStoiana – Oleksandra OliynykovaOliynykova (6-2 6-3) – See score progression
- Moyuka UchijimaUchijima – Ena ShibaharaShibahara (6-4 6-7(7) 6-3) – See score progression
- Magda LinetteLinette – Claire LiuLiu (6-4 6-3) – See score progression
Upcoming matches in the draw
- Kayla DayDay – Sofia KeninKenin (0-2) – H2H and prediction
- Katerina SiniakovaSiniakova – Peyton StearnsStearns (1-1) – H2H and prediction
- Katie BoulterBoulter – Viktorija GolubicGolubic (2-2) – H2H and prediction
