Sho Shimabukuro and Ilia Simakin will fight against each other in the quarter of the Zhangjiagang Challenger for the 1st time in their career. They are scheduled to play on Friday at 4:00 pm on Centre 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 Sho Shimabukuro who should win in 3 sets.

As per the initial odds, Sho Shimabukuro is the pick to win this match.
Sho Shimabukuro -> 1.73
Ilia Simakin -> 2.01

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Prediction and head to head Sho Shimabukuro vs. Ilia Simakin

There is no head to head record between Sho Shimabukuro and Ilia Simakin since this will be the first time that they will fight against each other in the main tour.

Sho Shimabukuro

Sho Shimabukuro

15 - 17win/loss

Hard
12-14
I Hard
0-0
Grass
3-3
Rank
145
High
135
LWWLWWWWWW
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. 198, Sho got to the quarter after defeating James Watt 6-4 3-6 6-2 and Filip Peliwo 6-3 6-4.

In the 2nd round, Sho had a good straight sets win against Peliwo (6-3 6-4). During the match, Shimabukuro scored 68 points vs Peliwo’s 48. Shimabukuro was exceptionally aggressive to blast 25 winners.

Talking about the service games, Shimabukuro struck 6 aces and he committed only 3 double faults. Overall, Sho Shimabukuro was extremely efficient on serve to win 93% (25/27) of his 1st serve and 55% (16/29) on the second serve. However, this didn’t prevent his to concede the serve once. Shimabukuro broke Peliwo 3 times after converting 38% of his break points (3/8).

Overall Performance in this tournament

Shimabukuro has dropped 1 set in this tournament to win 56% of the points he played.

Shimabukuro has a solid match record in the last 10 years having won 61% of his matches (255-163). 11-14 on hard in 2025. Regarding his performance on the same surface of this competition, Shimabukuro has a compiled 189-117 win-loss record in the last years on hard.

Sho’s best result of the year was getting to the semifinal in the Winnipeg Challenger.

Shimabukuro has a compiled 14-17 win-loss record in 2025, 11-14 on hard (See FULL STATS).

Previously in the Zhangjiagang Challenger

The Japanese has never competed in this tournament before.

Zhangjiagang Challenger
Shimabukuro's Record

Ilia Simakin

Ilia Simakin

35 - 14win/loss

Hard
35-14
I Hard
0-0
Rank
277
High
228
LLWLWLWLLL
Year Total Hard Clay I.hard Grass Carpet
2025 39-21 39-20 0-0 0-1 0-0 0-0
2024 62-22 55-21 0-0 7-1 0-0 0-0
2023 31-19 28-18 3-1 0-0 0-0 0-0
2022 24-17 24-12 0-4 0-1 0-0 0-0
2021 1-2 0-0 0-0 1-2 0-0 0-0

Ranked no. 236, Simakin got to the quarter after beating Tung-Lin Wu 6-4 7-6(1) and Joshua Charlton 6-4 6-4.

In the 2nd round, Simakin had a good straight sets win against Charlton (6-4 6-4). During the match Simakin scored 62 points vs Charlton’s 49. Simakin was pretty aggressive to blast 27 winners.

Talking about serving, Simakin fired 8 aces and he committed only 3 double faults. Ilia Simakin was quite effective on serve to win 84% (27/32) of his 1st serve and 68% (13/19) on the second serve. This was the main reason for not conceding a single break during the match. The Russian broke Charlton twice after converting 67% of his break points (2/3).

Overall Performance in this tournament

The Russian hasn’t dropped yet a set in the tournament to win 55% of the points he played.

Ilia’s best result of the season was reaching the final in the Chisinau Challenger.

The Russian has a composed 35-13 win-loss record in 2025, 35-13 on hard (See FULL STATS).

Zhangjiagang Challenger
Simakin's Record

H2H Performance in the tournament (main draw)

S.Shimabukuro
I.Simakin
3h:10
3h:10
Time on court​
2h:50
2h:50
1h:15
1h:15
Last match​
1h:09
1h:09
2
2
Match played
2
2
46
46
Games Played​
43
43
5
5
Set played​​
4
4
158
158
Total points​
141
141
79
79
Avg point​
70.5
70.5
49
49
Winners
68
68
24.5
24.5
Avg Winners​
34
34
31%
31%
Ratio winners
48%
48%
-- Serve --
13
13
Aces
19
19
6.5
6.5
Avg Aces
9.5
9.5
12
12
Double Faults
6
6
!
6
6
Avg Double Faults
3
3
49/55
49/55
1st won total​
68/79
68/79
!
89%
89%
1st won %
!
86%
86%
40/69
40/69
2nd won total​
23/42
23/42
58%
58%
2nd won %
55%
55%
-- Break Points --
7/18
7/18
BP won
3/6
3/6
3.5/9
3.5/9
Avg BP won
1.5/3
1.5/3
39%
39%
Won
50%
50%
8
8
Conceded
6
6
4
4
Avg Conceded
3
3
3
3
Broken
0
0
1.5
1.5
Avg Broken
!
0
0
5
5
Saved
6
6

Matches, sets, games and points

Points Shimabukuro Simakin
Match played 2 2
Tot Set 5 4
Tot Games 46 43
Pts 158-126 141-114
Total Points 284 255
Winners 49 68
%Winners 31% 48%

Both Shimabukuro and Simakin played 2 matches. At the moment, Sho Shimabukuro lost 1 set while Ilia Simakin hasn’t surrendered a set so far. Shimabukuro has played 1 set more than Simakin (5 vs 4). Therefore, Shimabukuro played 3 games more than Simakin. The Japanese scored 49 winners (31% of the total points). On the other side, The Russian fired 68 winners (48%).

Serve Performance

Serve Shimabukuro Simakin
Aces 13 19
Avg per match 6.5 9.5
1st in 55/124 79/121
%1st in 44% 65%
1st pts 49/55 68/79
%1st pts 89% 86%
2nd pts 40/69 23/42
%2nd pts 58% 55%

Shimabukuro managed to score 13 aces (6.5 per match). Simakin scored 19 aces (9.5 per match). Shimabukuro won 89% points behind his first serve. He extremely effective on his second serve to win 58% of the points. On the other side, Simakin won 86% of the points on his first serve. He had a solid display on his second serve to win 55% of the points.

How they played the important points

Breaks Shimabukuro Simakin
Won 7 3
Converted 7/18 3/6
% Converted 39% 50%
Conceded 8 6
Saved 5 6
% Saved 63% 100%
Times Broken 3 0

Sho broke his opponents 7 times with a 39% conversion rate. Sho dropped his serve 3 times and he saved 63% of the break points that he conceded. The Russian broke his opponents 3 times with a 50% conversion rate. Ilia was rock solid on his serve as he has never conceded a single service game after saving 6 break points.

Shimabukuro
R1
Watt
R2
Peliwo
Total
Score 6-4 3-6 6-2 6-3 6-4
Tot Set 3 2 5
Tot Games 27 19 46
pts 90-78 68-48 158-126
Total points 168 116 284
Winners 24 25 49
%Winners 27% 37% 31%
SERVE
Aces 7 6 13
Double Faults 9 3 12
1st in 28/68 27/56 55/124
% 1st in 41% 48% 44%
1st pts 24/28 25/27 49/55
% 1st pts 86% 93% 89%
2nd pts 24/40 16/29 40/69
% 2nd pts 60% 55% 58%
Breaks
Won 4 3 7
Converted 4/10 3/8 7/18
Converted % 40% 38% 39%
Conceded 4 4 8
Saved 2/4 3/4 5
Saved % 50% 75% 63%
Times Broken 2 1 3
Simakin
R1
Wu
R2
Charlton
Total
Score 6-4 7-61 6-4 6-4
Tot Set 2 2 4
Tot Games 23 20 43
pts 79-65 62-49 141-114
Total points 144 111 255
Winners 41 27 68
%Winners 52% 44% 48%
SERVE
Aces 11 8 19
Double Faults 3 3 6
1st in 47/70 32/51 79/121
% 1st in 67% 63% 65%
1st pts 41/47 27/32 68/79
% 1st pts 87% 84% 86%
2nd pts 10/23 13/19 23/42
% 2nd pts 43% 68% 55%
Breaks
Won 1 2 3
Converted 1/3 2/3 3/6
Converted % 33% 67% 50%
Conceded 6 0 6
Saved 6/6 0/0 6
Saved % 100% 50%
Times Broken 0 0 0

Upcoming matches in the draw