Alexander Blockx and Rei Sakamoto will face off in the 2nd round of the Winnipeg Challenger for the 1st time in their career. They are scheduled to play on Thursday at 3:00 pm on STADIUM. Here the head to head stats and relative prediction.
Prediction, odds and live streaming
The pick for Tennis Tonic is Alexander Blockx who should win in 3 sets.
As per the initial odds, Alexander Blockx is the pick to win this match.
Alexander Blockx -> 1.71
Rei Sakamoto -> 2.04
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Prediction and head to head Alexander Blockx vs. Rei Sakamoto
There is no head to head record between Alexander Blockx and Rei Sakamoto since this will be the first time that they will clash against each other in the main tour.
Alexander Blockx
21 - 16win/loss
119
119
LWWWLWLWLW | Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2025 | 31-21 | 14-8 | 4-4 | 9-5 | 4-4 | 0-0 |
| 2024 | 31-24 | 7-11 | 7-3 | 17-10 | 0-0 | 0-0 |
| 2023 | 39-15 | 4-3 | 11-7 | 24-5 | 0-0 | 0-0 |
| 2022 | 4-7 | 2-2 | 2-4 | 0-1 | 0-0 | 0-0 |
Ranked no. 141, Blockx reached the 2nd round after defeating Alvin Nicholas Tudorica 7-5 6-2.
In the 1st round, The Belgian had a good straight sets win against Nicholas Tudorica (7-5 6-2). During the match, Blockx scored 71 points vs Nicholas Tudorica’s 52. Alexander was pretty aggressive to blast 33 winners.
Regarding the service games, Blockx scored just 1 ace for the entire match and he committed only 5 double faults. Overall, Alexander Blockx was very efficient on serve to win 77% (33/43) of his 1st serve and 52% (14/27) on the second serve. However, this didn’t prevent his to concede the serve once. Alexander broke Nicholas Tudorica 4 times after converting 80% of his break points (4/5).
Blockx has a solid match record in the last 4 years having won 60% of his matches (94-62). 3-3 on hard in 2025. Regarding his performance on the same surface of this competition, Blockx has an overall16-19 win-loss record in the last 4 years on hard.
His best result of the current season was winning the title the Oeiras 3 Challenger where he beat Liam Draxl in the final 7-5 6-1.
The Belgian has an aggregate 20-16 win-loss record in 2025, 3-3 on hard (See FULL STATS).
Previously in the Winnipeg Challenger
Blockx has never competed in this tournament before.
Rei Sakamoto
22 - 14win/loss
200
200
LLWLLWWWWW | Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2025 | 23-17 | 18-12 | 3-3 | 2-2 | 0-0 | 0-0 |
| 2024 | 20-16 | 12-11 | 6-3 | 2-2 | 0-0 | 0-0 |
| 2023 | 7-11 | 1-4 | 5-5 | 1-2 | 0-0 | 0-0 |
| 2022 | 5-6 | 5-3 | 0-3 | 0-0 | 0-0 | 0-0 |
Ranked no. 291, Rei reached the 2nd round after defeating Naoki Nakagawa 7-6(4) 2-6 6-3.
In the 1st round, Sakamoto defeated Nakagawa (7-64 2-6 6-3). During the match Sakamoto scored 108 points vs Nakagawa’s 102. Sakamoto was quite aggressive to blast 50 winners.
About the serving games, Sakamoto recorded 6 aces and he committed only 6 double faults. Rei Sakamoto lost the serve 4 times and he saved 3 break points. Furthermore, Sakamoto put 68% of his first serves in, winning 70% (50/71) of the points behind his 1st serve and 42% (14/33) on the 2nd serve. The Japanese broke Nakagawa 3 times after converting 18% of his break points (3/17).
His best result of the season was conquering the title the Cary Challenger where he beat Liam Draxl in the final 6-1 6-4.
Rei has a composed 22-13 win-loss record in 2025, 17-8 on hard (See FULL STATS).
H2H Performance in the tournament
Matches, sets, games and points
| Points | Blockx | Sakamoto |
|---|---|---|
| Match played | 1 | 1 |
| Tot Set | 2 | 3 |
| Tot Games | 20 | 30 |
| Pts | 71-52 | 108-102 |
| Total Points | 123 | 210 |
| Winners | 33 | 50 |
| %Winners | 46% | 46% |
Both Blockx and Sakamoto played 1 match. At the moment, Rei Sakamoto conceded 1 set while Alexander Blockx hasn’t dropped a set so far. Blockx has played 1 set(s) less than Sakamoto (2 vs 3). Therefore, Blockx played 10 games less than Sakamoto. Blockx scored 33 winners (46% of the total points). On the other side, Sakamoto blasted 50 winners (46%).
Serve Performance
| Serve | Blockx | Sakamoto |
|---|---|---|
| Aces | 1 | 6 |
| Avg per match | 1 | 6 |
| 1st in | 43/70 | 71/104 |
| %1st in | 61% | 68% |
| 1st pts | 33/43 | 50/71 |
| %1st pts | 77% | 70% |
| 2nd pts | 14/27 | 14/33 |
| %2nd pts | 52% | 42% |
Blockx made 1 ace . Sakamoto also scored 6 aces . Blockx won 77% points on his first serve. He pretty solid on his second serve to win 52% of the points. On the other side, Sakamoto won 70% of the points on his first serve. He had a solid display on his second serve to win 42% of the points.
How they played the important points
| Breaks | Blockx | Sakamoto |
|---|---|---|
| Won | 4 | 3 |
| Converted | 4/5 | 3/17 |
| % Converted | 80% | 18% |
| Conceded | 6 | 7 |
| Saved | 5 | 3 |
| % Saved | 83% | 43% |
| Times Broken | 1 | 4 |
Blockx broke his opponent 4 times with a 80% conversion rate. Blockx surrendered his serve once and he saved 83% of the break points that he conceded. Rei broke his opponent 3 times with a 18% conversion rate. Rei conceded his serve 4 times and he saved 43% of the break points that he conceded.
| Blockx | |||
| R1 Nicholas |
Total | ||
|---|---|---|---|
| Score | 7-5 6-2 | ||
| Tot Set | 2 | 2 | |
| Tot Games | 20 | 20 | |
| pts | 71-52 | 71-52 | |
| Total points | 123 | 123 | |
| Winners | 33 | 33 | |
| %Winners | 46% | 46% | |
| SERVE | |||
| Aces | 1 | 1 | |
| Double Faults | 5 | 5 | |
| 1st in | 43/70 | 43/70 | |
| % 1st in | 61% | 61% | |
| 1st pts | 33/43 | 33/43 | |
| % 1st pts | 77% | 77% | |
| 2nd pts | 14/27 | 14/27 | |
| % 2nd pts | 52% | 52% | |
| Breaks | |||
| Won | 4 | 4 | |
| Converted | 4/5 | 4/5 | |
| Converted % | 80% | 80% | |
| Conceded | 6 | 6 | |
| Saved | 5/6 | 5 | |
| Saved % | 83% | 83% | |
| Times Broken | 1 | 1 | |
| Sakamoto | |||
| R1 Nakagawa |
Total | ||
|---|---|---|---|
| Score | 7-64 2-6 6-3 | ||
| Tot Set | 3 | 3 | |
| Tot Games | 30 | 30 | |
| pts | 108-102 | 108-102 | |
| Total points | 210 | 210 | |
| Winners | 50 | 50 | |
| %Winners | 46% | 46% | |
| SERVE | |||
| Aces | 6 | 6 | |
| Double Faults | 6 | 6 | |
| 1st in | 71/104 | 71/104 | |
| % 1st in | 68% | 68% | |
| 1st pts | 50/71 | 50/71 | |
| % 1st pts | 70% | 70% | |
| 2nd pts | 14/33 | 14/33 | |
| % 2nd pts | 42% | 42% | |
| Breaks | |||
| Won | 3 | 3 | |
| Converted | 3/17 | 3/17 | |
| Converted % | 18% | 18% | |
| Conceded | 7 | 7 | |
| Saved | 3/7 | 3 | |
| Saved % | 43% | 43% | |
| Times Broken | 4 | 4 | |
Head 2 Head
LWWWLWLWLW
LLWLLWWWWW Tennis Scores in Winnipeg Challenger
- Garrett JohnsJohns – Hyeon ChungChung (6-3 2-6 7-64) – See score progression
- Paul JubbJubb – Leandro RiediRiedi (6-2 5-7 6-4) – See score progression
- Alexander BlockxBlockx – Alvin Nicholas TudoricaNicholas Tudorica (7-5 6-2) – See score progression
- Sho ShimabukuroShimabukuro – Christian LangmoLangmo (6-2 6-4) – See score progression
- Yuta ShimizuShimizu – Karue SellSell (2-6 7-66 7-64) – See score progression
- Nicolas ArseneaultArseneault – Juan Carlos Manuel AguilarCarlos Manuel Aguilar (6-3 4-6 7-68) – See score progression
- Moerani BouzigeBouzige – Marek GengelGengel (6-4 7-5) – See score progression
- Rei SakamotoSakamoto – Naoki NakagawaNakagawa (7-64 2-6 6-3) – See score progression
- Masamichi ImamuraImamura – Daniil GlinkaGlinka (6-3 6-2) – See score progression
- Liam DraxlDraxl – Hiroki MoriyaMoriya (6-3 6-1) – See score progression
- Yu Hsiou HsuHsiou Hsu – Justin BoulaisBoulais (6-0 7-5) – See score progression
- Naoki Nakagawa/Kris Van WykNakagawa/Kris Van Wyk – Mikael Arseneault/Nicolas ArseneaultArseneault/Nicolas Arseneault (6-75 6-3 10-8) – See score progression
- Rio NoguchiNoguchi – Andre IlaganIlagan (6-3 3-6 6-1) – See score progression
- Andres AndradeAndrade – Nicolas MejiaMejia (1-6 7-5 7-5) – See score progression
- Yi ZhouZhou – Tung-Lin WuWu (3-6 7-62 6-4) – See score progression
- Kenta MiyoshiMiyoshi – Philip SekulicSekulic (6-4 7-5) – See score progression
- Andres MartinMartin – Alexis GalarneauGalarneau (6-2 6-4) – See score progression
- Alexander BlockxBlockx – Alvin Nicholas TudoricaNicholas Tudorica (7-5 6-2) – See score progression
- Rei SakamotoSakamoto – Naoki NakagawaNakagawa (7-6(4) 2-6 6-3) – See score progression
- Moerani BouzigeBouzige – Marek GengelGengel (6-4 7-5) – See score progression
- Sho ShimabukuroShimabukuro – Christian LangmoLangmo (6-2 6-4) – See score progression
- Nicolas ArseneaultArseneault – Juan Carlos Manuel AguilarCarlos Manuel Aguilar (6-3 4-6 7-6(8)) – See score progression
Upcoming matches in the draw
- Andres AndradeAndrade – Masamichi ImamuraImamura (0-0) – H2H and prediction
- Sho ShimabukuroShimabukuro – Garrett JohnsJohns (0-0) – H2H and prediction
- Rio NoguchiNoguchi – (0-0) – H2H and prediction
- Moerani BouzigeBouzige – Yuta ShimizuShimizu (0-0) – H2H and prediction
- Paul JubbJubb – Yu Hsiou HsuHsiou Hsu (1-0) – H2H and prediction
