
Keisuke Saitoh and Quinn Vandecasteele will clash against each other in the qualifications of the Newport Challenger for the 1st time in their career. They are scheduled to play on Monday at 11:00 am on COURT 2. Here the head to head stats and relative prediction.
Prediction, odds and live streaming
The pick for Tennis Tonic is Quinn Vandecasteele who should win in 3 sets.
As per the initial odds, Quinn Vandecasteele is the pick to win this match.
Quinn Vandecasteele -> 1.43
Keisuke Saitoh -> 2.66
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Prediction and head to head Keisuke Saitoh vs. Quinn Vandecasteele
There is no head to head record between Keisuke Saitoh and Quinn Vandecasteele since this will be the first time that they will play each other in the main tour.
Keisuke Saitoh


9 - 14win/loss
854
552

Year | Total | Hard | Clay | I.hard | Grass | Carpet |
---|---|---|---|---|---|---|
2025 | 14-22 | 10-19 | 0-0 | 3-2 | 1-1 | 0-0 |
2024 | 44-23 | 38-16 | 6-6 | 0-1 | 0-0 | 0-0 |
2023 | 17-27 | 14-23 | 3-4 | 0-0 | 0-0 | 0-0 |
2022 | 27-21 | 23-17 | 4-3 | 0-1 | 0-0 | 0-0 |
2021 | 35-19 | 20-9 | 15-10 | 0-0 | 0-0 | 0-0 |
Ranked no. 578, the Japanese got to the qualifications after defeating Hans Hach Verdugo 6-2 7-6(2).
In the qualifications, The Japanese had a good straight sets win against Hach Verdugo (6-2 7-62). During the match, Saitoh scored 74 points vs Hach Verdugo’s 58. Saitoh was very aggressive to blast 32 winners.
Regarding the service games, Saitoh couldn’t to score even 1 ace throughout the match and he committed only 1 double fault. Keisuke Saitoh lost the serve once. Furthermore, Saitoh put 69% of his first serves in, winning 78% (32/41) of the points behind his 1st serve and 50% (9/18) on the 2nd serve. Saitoh broke Hach Verdugo 3 times after converting 30% of his break points (3/10).
Saitoh has a winning win-loss record in the last 7 years having won 56% of his matches (144-114). 1-0 on grass in 2025. In connection with his performance on the same surface of this competition, Saitoh has a compiled1-0 win-loss record in the last 7 years on grass.
Saitoh’s best result of the current year was getting to the final in M15 Kashiwa.
Saitoh has a compiled 9-13 win-loss record in 2025, 1-0 on grass (See FULL STATS).
Previously in the Newport Challenger
The Japanese has never competed in this tournament before.
Quinn Vandecasteele


17 - 18win/loss
684
555

Year | Total | Hard | Clay | I.hard | Grass | Carpet |
---|---|---|---|---|---|---|
2025 | 29-27 | 25-19 | 0-3 | 2-4 | 2-1 | 0-0 |
2024 | 17-20 | 13-13 | 0-1 | 4-6 | 0-0 | 0-0 |
2023 | 29-13 | 28-11 | 0-0 | 1-2 | 0-0 | 0-0 |
2022 | 10-8 | 8-7 | 0-0 | 2-1 | 0-0 | 0-0 |
2021 | 0-2 | 0-1 | 0-0 | 0-1 | 0-0 | 0-0 |
Ranked no. 735, the American reached the qualifications after defeating Drew Van Orderlain 6-1 6-2.
In the qualifications, Vandecasteele had a good straight sets win against Van Orderlain (6-1 6-2). During the match Vandecasteele scored 58 points vs Van Orderlain’s 36. Quinn was pretty aggressive to blast 22 winners.
About the serving games, Vandecasteele recorded 4 aces and he committed only 2 double faults. Quinn Vandecasteele was quite efficient on serve to win 76% (22/29) of his 1st serve and 59% (17/29) on the second serve. This was the main reason for not conceding a single break during the match. Vandecasteele was clinical in his return game without wasting any break point and break Van Orderlain 4 times.
Vandecasteele has a compiled 16-18 win-loss record in 2025, 1-0 on grass (See FULL STATS).
H2H Performance in the tournament
Matches, sets, games and points
Points | Saitoh | Vandecasteele |
---|---|---|
Match played | 1 | 1 |
Tot Set | 2 | 2 |
Tot Games | 21 | 15 |
Pts | 74-58 | 58-36 |
Total Points | 132 | 94 |
Winners | 32 | 22 |
%Winners | 43% | 38% |
Both Saitoh and Vandecasteele played 1 match. Also both players started their run from the qualifications.Both players have not lost a single set in this event so far. Talking about their workload, Saitoh and Vandecasteele have played the same amount of sets 2. However, Saitoh played 6 games more than Vandecasteele. Keisuke scored 32 winners (43% of the total points). On the other side, Quinn recorded 22 winners (38%).
Serve Performance
Serve | Saitoh | Vandecasteele |
---|---|---|
Aces | 0 | 4 |
Avg per match | 0 | 4 |
1st in | 41/59 | 29/58 |
%1st in | 69% | 50% |
1st pts | 32/41 | 22/29 |
%1st pts | 78% | 76% |
2nd pts | 9/18 | 17/29 |
%2nd pts | 50% | 59% |
Saitoh didn’t manage to fire a single ace to far. Vandecasteele bagged 4 aces . Saitoh won 78% points on his first serve. He extremely effective on his second serve to win 50% of the points. On the other side, Vandecasteele won 76% of the points on his first serve. He had a solid display on his second serve to win 59% of the points.
How they played the important points
Breaks | Saitoh | Vandecasteele |
---|---|---|
Won | 3 | 4 |
Converted | 3/10 | 4/4 |
% Converted | 30% | 100% |
Conceded | 1 | 6 |
Saved | 0 | 6 |
% Saved | 0% | 100% |
Times Broken | 1 | 0 |
The Japanese broke his opponent 3 times with a 30% conversion rate. The Japanese dropped his serve once and he saved 0% of the break points that he conceded. Quinn broke his opponent 4 times with a 100% conversion rate. Quinn was rock solid on his serve as he has never conceded a single service game after saving 6 break points.
Saitoh | |||
Q1 Hach Verdugo |
Total | ||
---|---|---|---|
Score | 6-2 7-62 | ||
Tot Set | 2 | 2 | |
Tot Games | 21 | 21 | |
pts | 74-58 | 74-58 | |
Total points | 132 | 132 | |
Winners | 32 | 32 | |
%Winners | 43% | 43% | |
SERVE | |||
Aces | 0 | 0 | |
Double Faults | 1 | 1 | |
1st in | 41/59 | 41/59 | |
% 1st in | 69% | 69% | |
1st pts | 32/41 | 32/41 | |
% 1st pts | 78% | 78% | |
2nd pts | 9/18 | 9/18 | |
% 2nd pts | 50% | 50% | |
Breaks | |||
Won | 3 | 3 | |
Converted | 3/10 | 3/10 | |
Converted % | 30% | 30% | |
Conceded | 1 | 1 | |
Saved | 0/1 | 0 | |
Saved % | 0% | 0% | |
Times Broken | 1 | 1 |
Vandecasteele | |||
Q1 Van Orderlain |
Total | ||
---|---|---|---|
Score | 6-1 6-2 | ||
Tot Set | 2 | 2 | |
Tot Games | 15 | 15 | |
pts | 58-36 | 58-36 | |
Total points | 94 | 94 | |
Winners | 22 | 22 | |
%Winners | 38% | 38% | |
SERVE | |||
Aces | 4 | 4 | |
Double Faults | 2 | 2 | |
1st in | 29/58 | 29/58 | |
% 1st in | 50% | 50% | |
1st pts | 22/29 | 22/29 | |
% 1st pts | 76% | 76% | |
2nd pts | 17/29 | 17/29 | |
% 2nd pts | 59% | 59% | |
Breaks | |||
Won | 4 | 4 | |
Converted | 4/4 | 4/4 | |
Converted % | 100% | 100% | |
Conceded | 6 | 6 | |
Saved | 6/6 | 6 | |
Saved % | 100% | 100% | |
Times Broken | 0 | 0 |
Head 2 Head



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