Zdenek Kolar and Sho Shimabukuro will play each other in the quarter of the Nonthaburi 3 Challenger for the 2nd time in their career. They are scheduled to compete on Friday at 10:30 am on COURT B. In this post, we analyze their head to head performance and prediction.
Prediction, odds and live streaming
The pick for Tennis Tonic is Sho Shimabukuro who should win in 3 sets.
Sho Shimabukuro -> 1.47
Zdenek Kolar -> 2.59
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Prediction and head to head Zdenek Kolar vs. Sho Shimabukuro
This will be the 2nd time that Zdenek Kolar and Sho Shimabukuro face off. The head to head is 1-0 for Shimabukuro (see full H2H stats), 1-0 on hard.
The last time that they played, Shimabukuro won 6-3 6-1 in the 1st round in the Matsuyama Challenger back in 2022.
Zdenek Kolar
| Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2025 | 61-30 | 3-2 | 58-28 | 0-0 | 0-0 | 0-0 |
| 2024 | 28-23 | 1-2 | 11-12 | 16-9 | 0-0 | 0-0 |
| 2023 | 34-35 | 6-8 | 19-19 | 9-7 | 0-1 | 0-0 |
| 2022 | 23-36 | 1-6 | 17-24 | 3-3 | 2-2 | 0-1 |
| 2021 | 41-32 | 1-4 | 34-19 | 5-8 | 1-1 | 0-0 |
Ranked no. 242, Kolar reached the quarter after defeating Evgeny Donskoy 3-6 7-67 6-2 and Jan Choinski 6-4 3-6 6-0
.In the 2nd round, Kolar defeated Choinski (6-4 3-6 6-0). During the match, Kolar scored 95 points vs Choinski’s 79. Kolar was extremely aggressive to blast 32 winners.
Regarding the service games, Kolar blasted 4 aces and he committed only 6 double faults. Zdenek Kolar lost the serve 4 times and he saved 9 break points. Furthermore, Kolar put 58% of his first serves in, winning 71% (32/45) of the points behind his 1st serve and 44% (14/32) on the 2nd serve. Kolar broke Choinski 6 times after converting 60% of his break points (6/10).
Overall Performance in this tournament
The Czech has dropped 2 set in this tournament to win 53% of the points he played.
Kolar has a winning win-loss record in the last 8 years having won 56% of his matches (272-218). 3-2 on hard in 2023. Talking about his performance on the same surface of this event, Kolar has a composed18-29 win-loss record in the last 8 years on hard.
Kolar has a compiled 3-2 win-loss record in 2023, 3-2 on hard (See FULL STATS).
Previously in the Nonthaburi 3 Challenger
Kolar has never competed in this tournament before.
Sho Shimabukuro
| Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2025 | 34-23 | 29-19 | 0-0 | 2-1 | 3-3 | 0-0 |
| 2024 | 30-28 | 21-17 | 1-3 | 3-5 | 5-3 | 0-0 |
| 2023 | 43-26 | 19-17 | 7-1 | 9-4 | 8-4 | 0-0 |
| 2022 | 42-25 | 38-20 | 0-2 | 4-3 | 0-0 | 0-0 |
| 2021 | 31-20 | 28-18 | 0-0 | 3-2 | 0-0 | 0-0 |
Ranked no. 261, Shimabukuro reached the quarter after defeating Mats Moraing 6-3 6-2 and James Duckworth 7-64 4-6 6-1.
In the 2nd round, The Japanese defeated Duckworth (7-64 4-6 6-1). During the match Shimabukuro scored 92 points vs Duckworth’s 88. Shimabukuro was extremely aggressive to blast 35 winners.
About the serving games, Shimabukuro scored 7 aces and he committed only 6 double faults. Sho Shimabukuro lost the serve twice and he saved 7 break points. Furthermore, Shimabukuro put 49% of his first serves in, winning 69% (35/51) of the points behind his 1st serve and 65% (35/54) on the 2nd serve. Shimabukuro broke Duckworth 3 times after converting 60% of his break points (3/5).
Overall Performance in this tournament
Sho has conceded 1 set in the tournament to win 53% of the points he played.
The Japanese has an overall 3-2 win-loss record in 2023, 3-2 on hard (See FULL STATS)
.Previously in the Nonthaburi 3 Challenger
Previously, his best result was reaching the semifinal in 2022. See his history.
H2H Performance in the tournament (main draw)
Matches, sets, games and points
| Points | Kolar | Shimabukuro |
|---|---|---|
| Match played | 2 | 2 |
| Tot Set | 6 | 5 |
| Tot Games | 55 | 47 |
| Pts | 200-174 | 153-133 |
| Total Points | 374 | 286 |
| Winners | 80 | 61 |
| %Winners | 40% | 40% |
Both Kolar and Shimabukuro played 2 matches. Both players lost a set in the event. Zdenek Kolar dropped 2 sets, while Sho Shimabukuro surrendered 1 set. Kolar has played 1 set more than Shimabukuro (6 vs 5). Therefore, Kolar played 8 games more than Shimabukuro. Kolar scored 80 winners (40% of the total points). On the other side, Shimabukuro scored 61 winners (40%).
Serve Performance
| Serve | Kolar | Shimabukuro |
|---|---|---|
| Aces | 7 | 11 |
| Avg per match | 3.5 | 5.5 |
| 1st in | 115/169 | 80/155 |
| %1st in | 68% | 52% |
| 1st pts | 80/115 | 61/80 |
| %1st pts | 70% | 76% |
| 2nd pts | 29/54 | 47/75 |
| %2nd pts | 54% | 63% |
Kolar recorded 7 aces (3.5 per match). Shimabukuro bagged 11 aces (5.5 per match). Kolar won 70% points on his first serve. He extremely effective on his second serve to win 54% of the points. On the other side, Shimabukuro won 76% of the points on his first serve. He had a solid display on his second serve to win 63% of the points.
How they played the important points
| Breaks | Kolar | Shimabukuro |
|---|---|---|
| Won | 9 | 6 |
| Converted | 9/21 | 6/14 |
| % Converted | 43% | 43% |
| Conceded | 17 | 10 |
| Saved | 10 | 8 |
| % Saved | 59% | 80% |
| Times Broken | 7 | 2 |
Kolar broke his opponents 9 times with a 43% conversion rate. Zdenek lost his serve 7 times and he saved 59% of the break points that he conceded. Sho broke his opponents 6 times with a 43% conversion rate. The Japanese conceded his serve twice and he saved 80% of the break points that he conceded.
| Kolar | ||||
| R1 Donskoy | R2 Choinski | Total | ||
|---|---|---|---|---|
| Score | 3-6 7-67 6-2 | 6-4 3-6 6-0 | ||
| Tot Set | 3 | 3 | 6 | |
| Tot Games | 30 | 25 | 55 | |
| pts | 105-95 | 95-79 | 200-174 | |
| Total points | 200 | 174 | 374 | |
| Winners | 48 | 32 | 80 | |
| %Winners | 46% | 34% | 40% | |
| SERVE | ||||
| Aces | 3 | 4 | 7 | |
| Double Faults | 0 | 6 | 6 | |
| 1st in | 70/92 | 45/77 | 115/169 | |
| % 1st in | 76% | 58% | 68% | |
| 1st pts | 48/70 | 32/45 | 80/115 | |
| % 1st pts | 69% | 71% | 70% | |
| 2nd pts | 15/22 | 14/32 | 29/54 | |
| % 2nd pts | 68% | 44% | 54% | |
| Breaks | ||||
| Won | 3 | 6 | 9 | |
| Converted | 3/11 | 6/10 | 9/21 | |
| Converted % | 27% | 60% | 43% | |
| Conceded | 4 | 13 | 17 | |
| Saved | 1/4 | 9/13 | 10 | |
| Saved % | 25% | 69% | 47% | |
| Times Broken | 3 | 4 | 7 | |
| Shimabukuro | ||||
| R1 Moraing | R2 Duckworth | Total | ||
|---|---|---|---|---|
| Score | 6-3 6-2 | 7-64 4-6 6-1 | ||
| Tot Set | 2 | 3 | 5 | |
| Tot Games | 17 | 30 | 47 | |
| pts | 61-45 | 92-88 | 153-133 | |
| Total points | 106 | 180 | 286 | |
| Winners | 26 | 35 | 61 | |
| %Winners | 43% | 38% | 40% | |
| SERVE | ||||
| Aces | 4 | 7 | 11 | |
| Double Faults | 2 | 6 | 8 | |
| 1st in | 29/50 | 51/105 | 80/155 | |
| % 1st in | 58% | 49% | 52% | |
| 1st pts | 26/29 | 35/51 | 61/80 | |
| % 1st pts | 90% | 69% | 76% | |
| 2nd pts | 12/21 | 35/54 | 47/75 | |
| % 2nd pts | 57% | 65% | 63% | |
| Breaks | ||||
| Won | 3 | 3 | 6 | |
| Converted | 3/9 | 3/5 | 6/14 | |
| Converted % | 33% | 60% | 43% | |
| Conceded | 1 | 9 | 10 | |
| Saved | 1/1 | 7/9 | 8 | |
| Saved % | 100% | 78% | 89% | |
| Times Broken | 0 | 2 | 2 | |
Upcoming matches in the draw
- Tennys SandgrenSandgren – (0-1) – H2H and prediction
- Michael GeertsGeerts – Seong Chan HongChan Hong (0-0) – H2H and prediction
- Giovanni FonioFonio – Benjamin HassanHassan (0-0) – H2H and prediction
- Sho ShimabukuroShimabukuro – Zdenek KolarKolar (1-0) – H2H and prediction
- Daniel MichalskiMichalski – Antoine EscoffierEscoffier (0-0) – H2H and prediction