Edward Winter and Shintaro Imai will fight against each other in the 2nd round of the Astana Challenger for the 1st time in their career. They are scheduled to compete on Wednesday at 12:30 pm on COURT 3. In this post, we analyze their head to head performance and prediction.

Prediction, odds and live streaming

The pick for Tennis Tonic is Edward Winter who should win in 3 sets.

As per the initial odds, Edward Winter is the pick to win this match.
Edward Winter -> 1.571
Shintaro Imai -> 2.28

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Prediction and head to head Edward Winter vs. Shintaro Imai

There is no head to head record between Edward Winter and Shintaro Imai since this will be the first time that they will face off in the main tour.

Edward Winter

Edward Winter

20 - 12win/loss

Hard
18-10
I Hard
0-1
Grass
2-1
Rank
465
High
454
LLLWWWWWWL
See allSTATS
Year Total Hard Clay I.hard Grass Carpet
2025 34-21 32-16 0-0 0-4 2-1 0-0
2024 27-19 25-17 2-2 0-0 0-0 0-0
2023 24-20 19-17 0-0 3-1 2-2 0-0
2022 12-11 10-10 2-1 0-0 0-0 0-0
2021 4-1 4-1 0-0 0-0 0-0 0-0
See all years

Ranked no. 558, Winter got to the 2nd round after beating Saveliy Ivanov 5-7 7-5 6-3, Michal Krajci 6-4 6-3 and Moerani Bouzige 6-1 6-3.

In the 1st round, Winter had a good straight sets win against Bouzige (6-1 6-3). During the match, Winter scored 67 points vs Bouzige’s 46. The Australian was extremely aggressive to blast 22 winners.

Regarding the service games, Winter scored 3 aces and he committed only 1 double fault. Overall, Edward Winter was very effective on serve to win 76% (22/29) of his 1st serve and 56% (9/16) on the second serve. However, this didn’t prevent his to concede the serve once. Edward broke Bouzige 5 times after converting 42% of his break points (5/12).

Winter has a winning match record in the last 6 years having won 58% of his matches (87-64). 18-10 on hard in 2025. Regarding his performance on the same surface of this event, Winter has an aggregate76-56 match record in the last 6 years on hard.

The Australian’s best result of the season was getting to the final in M15 Heraklion.

Edward has an aggregate 20-12 win-loss record in 2025, 18-10 on hard (See FULL STATS).

Previously in the Astana Challenger

The Australian has never competed in this tournament before.

Astana Challenger
Winter's Record

Shintaro Imai

Shintaro Imai

22 - 13win/loss

Hard
21-11
I Hard
1-2
Rank
622
High
290
LWWLWWWLWW
See allSTATS
Year Total Hard Clay I.hard Grass Carpet
2025 26-15 23-12 0-0 3-3 0-0 0-0
2024 30-19 22-15 0-0 5-2 3-2 0-0
2023 5-4 5-4 0-0 0-0 0-0 0-0
2022 30-14 29-13 0-0 1-1 0-0 0-0
2021 21-19 13-18 0-0 8-1 0-0 0-0
See all years

Ranked no. 577, Shintaro got to the 2nd round after beating Amir Omarkhanov 6-2 7-6(4).

In the 1st round, Shintaro had a good straight sets win against Omarkhanov (6-2 7-64). During the match Imai scored 85 points vs Omarkhanov’s 66. Imai was pretty aggressive to blast 31 winners.

Talking about serving, Imai blasted 5 aces and he committed only 2 double faults. Overall, Shintaro Imai was very effective on serve to win 74% (31/42) of his 1st serve and 63% (17/27) on the second serve. However, this didn’t prevent his to concede the serve once. The Japanese broke Omarkhanov 3 times after converting 43% of his break points (3/7).

Shintaro’s best result of the year was reaching the final in M15 Osaka and M15 Tokyo.

The Japanese has a composed 22-13 win-loss record in 2025, 21-11 on hard (See FULL STATS).

Astana Challenger
Imai's Record

H2H Performance in the tournament

E.Winter
S.Imai
!
5h:02
5h:02
Time on court​
1h:45
1h:45
1h:14
1h:14
Last match​
1h:45
1h:45
!
3
3
Match played
1
1
68
68
Games Played​
21
21
7
7
Set played​​
2
2
246
246
Total points​
85
85
82
82
Avg point​
85
85
102
102
Winners
31
31
34
34
Avg Winners​
31
31
41%
41%
Ratio winners
36%
36%
-- Serve --
16
16
Aces
5
5
5.3
5.3
Avg Aces
5
5
6
6
Double Faults
2
2
2
2
Avg Double Faults
2
2
102/136
102/136
1st won total​
31/42
31/42
!
75%
75%
1st won %
!
74%
74%
34/59
34/59
2nd won total​
17/27
17/27
58%
58%
2nd won %
!
63%
63%
-- Break Points --
12/28
12/28
BP won
3/7
3/7
4/9.3
4/9.3
Avg BP won
3/7
3/7
43%
43%
Won
43%
43%
14
14
Conceded
3
3
4.7
4.7
Avg Conceded
3
3
5
5
Broken
1
1
1.7
1.7
Avg Broken
1
1
9
9
Saved
2
2
See Allstats

Matches, sets, games and points

Points Winter Imai
Match played 3 1
Tot Set 7 2
Tot Games 68 21
Pts 246-190 85-66
Total Points 436 151
Winners 102 31
%Winners 41% 36%

Winter played 3 matches while Imai competed in 1 match. Winter started his run from the qualifications while Imai had a direct access to the main draw. At the moment, Edward Winter surrendered 1 set while Shintaro Imai hasn’t surrendered a set so far. Winter has played 5 sets more than Imai (7 vs 2). Therefore, Winter played 47 games more than Imai. Winter scored 102 winners (41% of the total points). On the other side, Shintaro struck 31 winners (36%).

Serve Performance

Serve Winter Imai
Aces 16 5
Avg per match 5.3 5
1st in 136/195 42/69
%1st in 70% 61%
1st pts 102/136 31/42
%1st pts 75% 74%
2nd pts 34/59 17/27
%2nd pts 58% 63%

Winter managed to score 16 aces (5.3 per match). Imai blasted 5 aces . Winter won 75% points behind his first serve. He pretty effective on his second serve to win 58% of the points. On the other side, Imai won 74% 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 Winter Imai
Won 12 3
Converted 12/28 3/7
% Converted 43% 43%
Conceded 14 3
Saved 9 2
% Saved 64% 67%
Times Broken 5 1

Edward broke his opponents 12 times with a 43% conversion rate. The Australian surrendered his serve 5 times and he saved 64% of the break points that he conceded. Shintaro broke his opponent 3 times with a 43% conversion rate. Shintaro conceded his serve once and he saved 67% of the break points that he conceded.

Winter
Q1
Ivanov		 Q3
Krajci		 R1
Bouzige		 Total
Score 5-7 7-5 6-3 6-4 6-3 6-1 6-3
Tot Set 3 2 2 7
Tot Games 33 19 16 68
pts 110-92 69-52 67-46 246-190
Total points 202 121 113 436
Winners 50 30 22 102
%Winners 45% 43% 33% 41%
SERVE
Aces 8 5 3 16
Double Faults 3 2 1 6
1st in 66/87 41/63 29/45 136/195
% 1st in 76% 65% 64% 70%
1st pts 50/66 30/41 22/29 102/136
% 1st pts 76% 73% 76% 75%
2nd pts 11/21 14/22 9/16 34/59
% 2nd pts 52% 64% 56% 58%
Breaks
Won 4 3 5 12
Converted 4/11 3/5 5/12 12/28
Converted % 36% 60% 42% 43%
Conceded 4 5 5 14
Saved 1/4 4/5 4/5 9
Saved % 25% 80% 80% 62%
Times Broken 3 1 1 5
Imai
R1
Omarkhanov		 Total
Score 6-2 7-64
Tot Set 2 2
Tot Games 21 21
pts 85-66 85-66
Total points 151 151
Winners 31 31
%Winners 36% 36%
SERVE
Aces 5 5
Double Faults 2 2
1st in 42/69 42/69
% 1st in 61% 61%
1st pts 31/42 31/42
% 1st pts 74% 74%
2nd pts 17/27 17/27
% 2nd pts 63% 63%
Breaks
Won 3 3
Converted 3/7 3/7
Converted % 43% 43%
Conceded 3 3
Saved 2/3 2
Saved % 67% 22%
Times Broken 1 1

Tennis Scores in Astana Challenger

Upcoming matches in the draw

Winter
More Stats
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Imai

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