Yasutaka Uchiyama and Ilia Simakin will fight against each other in the 2^nd round of the Shanghai Challenger for the 2^nd time in their career. They are scheduled to compete on Thursday at 5:30 pm on COURT 7. 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 Yasutaka Uchiyama who should win in 3 sets.

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

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Prediction and head to head Yasutaka Uchiyama vs. Ilia Simakin

This will be the 2^nd time that Yasutaka Uchiyama and Ilia Simakin clash against each other. The head to head is 1-0 for Simakin (see full H2H stats), 1-0 on hard.

The last time that they played each other, Simakin won 7-6(2) 6-4 in the 1^st round in the Manama Challenger back in February 2025.

Yasutaka Uchiyama

Ranked no. 225, Uchiyama reached the 2^nd round after beating Arthur Gea 7-5 6-4.

In the 1^st round, The Japanese had a good straight sets win against Gea (7-5 6-4). During the match, Uchiyama scored 73 points vs Gea’s 65. Yasutaka was quite aggressive to blast 42 winners.

Regarding the service games, Uchiyama managed to score 6 aces and he committed only 1 double fault. Yasutaka Uchiyama conceded no breaks for the entire match to save 8 break points. Furthermore, Uchiyama put 68% of his first serves in, winning 81% (42/52) of the points behind his 1st serve and 48% (12/25) on the 2nd serve. The Japanese broke Gea twice after converting 50% of his break points (2/4).

Uchiyama has favorable record in the last 10 years having won 52% of his matches (250-231). 12-14 on hard in 2025. Talking about his performance on the same surface of this competition, Uchiyama has a compiled 189-148 record in the last years on hard.

The Japanese’s best result of the current season was reaching the semifinal in the Zhangjiagang Challenger.

Yasutaka has an overall 16-20 win-loss record in 2025, 12-14 on hard (See FULL STATS).

Previously in the Shanghai Challenger

Ilia Simakin

Ranked no. 236, Simakin reached the 2^nd round after defeating Beibit Zhukayev 6-4 6-7(7) 7-5.

In the 1^st round, Simakin defeated Zhukayev (6-4 6-7⁷ 7-5). During the match Simakin scored 106 points vs Zhukayev’s 87. Simakin was pretty aggressive to blast 53 winners.

Talking about serving, Simakin submerged his opponent with 22 aces and he committed only 3 double faults. Overall, Ilia Simakin was pretty effective on serve to win 84% (53/63) of his 1st serve and 59% (17/29) on the second serve. However, this didn’t prevent his to concede the serve once. Simakin broke Zhukayev 3 times after converting 50% of his break points (3/6).

The Russian’s best result of the current year was getting to the final in the Chisinau Challenger.

The Russian has an overall 36-14 win-loss record in 2025, 36-14 on hard (See FULL STATS).

H2H Performance in the tournament

Matches, sets, games and points

Points	Uchiyama	Simakin
Match played	1	1
Tot Set	2	3
Tot Games	22	35
Pts	73-65	106-87
Total Points	138	193
Winners	42	53
%Winners	58%	50%

Both Uchiyama and Simakin played 1 match. At the moment, Ilia Simakin dropped 1 set while Yasutaka Uchiyama hasn’t surrendered a set so far. Uchiyama has played 1 set(s) less than Simakin (2 vs 3). Therefore, Uchiyama played 13 games less than Simakin. Uchiyama scored 42 winners (58% of the total points). On the other side, The Russian bagged 53 winners (50%).

Serve Performance

Serve	Uchiyama	Simakin
Aces	6	22
Avg per match	6	22
1st in	52/77	63/92
%1st in	68%	68%
1st pts	42/52	53/63
%1st pts	81%	84%
2nd pts	12/25	17/29
%2nd pts	48%	59%

Uchiyama bagged 6 aces . Simakin struck 22 aces . Uchiyama won 81% points behind his first serve. He had a solid display on his second serve to win 48% of the points. On the other side, Simakin won 84% of the points behind 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	Uchiyama	Simakin
Won	2	3
Converted	2/4	3/6
% Converted	50%	50%
Conceded	8	1
Saved	8	0
% Saved	100%	0%
Times Broken	0	1

Yasutaka broke his opponent twice with a 50% conversion rate. Yasutaka pretty solid on his serve as he has never surrendered a single service game after saving 8 break points. Simakin broke his opponent 3 times with a 50% conversion rate. Ilia conceded his serve once and he saved 0% of the break points that he conceded.

Uchiyama
	R1 Gea	Total
Score	7-5 6-4
Tot Set	2	2
Tot Games	22	22
pts	73-65	73-65
Total points	138	138
Winners	42	42
%Winners	58%	58%
SERVE
Aces	6	6
Double Faults	1	1
1st in	52/77	52/77
% 1st in	68%	68%
1st pts	42/52	42/52
% 1st pts	81%	81%
2nd pts	12/25	12/25
% 2nd pts	48%	48%
Breaks
Won	2	2
Converted	2/4	2/4
Converted %	50%	50%
Conceded	8	8
Saved	8/8	8
Saved %	100%	100%
Times Broken	0	0

Simakin
	R1 Zhukayev	Total
Score	6-4 6-77 7-5
Tot Set	3	3
Tot Games	35	35
pts	106-87	106-87
Total points	193	193
Winners	53	53
%Winners	50%	50%
SERVE
Aces	22	22
Double Faults	3	3
1st in	63/92	63/92
% 1st in	68%	68%
1st pts	53/63	53/63
% 1st pts	84%	84%
2nd pts	17/29	17/29
% 2nd pts	59%	59%
Breaks
Won	3	3
Converted	3/6	3/6
Converted %	50%	50%
Conceded	1	1
Saved	0/1	0
Saved %	0%	0%
Times Broken	1	1

Tennis Scores in Shanghai Challenger

• Rio NoguchiNoguchi – Yosuke WatanukiWatanuki (6-4 7-5) – See score progression
• Yasutaka UchiyamaUchiyama – Arthur GeaGea (7-5 6-4) – See score progression
• Petr Bar BiryukovBar Biryukov – Sho ShimabukuroShimabukuro (6-4 6-4) – See score progression
• Oliver CrawfordCrawford – Marat SharipovSharipov (6-3 6-2) – See score progression
• Ilia SimakinSimakin – Beibit ZhukayevZhukayev (6-4 6-7⁷ 7-5) – See score progression
• Daniel EvansEvans – Linang XiaoXiao (6-4 6-4) – See score progression
• Filip PeliwoPeliwo – Luca Van AsscheVan Assche (6-4 ret.) – See score progression
• Bernard TomicTomic – Yaojie ZengZeng (6-4 6-1) – See score progression
• Renta TokudaTokuda – Kokoro IsomuraIsomura (6-0 6-2) – See score progression
• Giulio ZeppieriZeppieri – Gauthier OnclinOnclin (6-4 6-4) – See score progression
• Tsung-Hao HuangHuang – Yan BaiBai (6-3 6-0) – See score progression
• Kasidit SamrejSamrej – Tung-Lin WuWu (0-6 7-5 7-5) – See score progression
• Yu Hsiou HsuHsiou Hsu – Jie CuiCui (6-2 6-1) – See score progression
• Omar JasikaJasika – Rigele TeTe (4-6 6-2 2-0 ret.) – See score progression
• Fajing SunSun – James McCabeMcCabe (6-4 6-4) – See score progression
• Yi ZhouZhou – Yoshihito NishiokaNishioka (2-6 7-6⁵ 2-0 ret.) – See score progression
• Daniel EvansEvans – Linang XiaoXiao (6-4 6-4) – See score progression
• Filip PeliwoPeliwo – Luca Van AsscheVan Assche (6-4 ret.) – See score progression
• Petr Bar BiryukovBar Biryukov – Sho ShimabukuroShimabukuro (6-4 6-4) – See score progression
• Ilia SimakinSimakin – Beibit ZhukayevZhukayev (6-4 6-7(7) 7-5) – See score progression
• Yasutaka UchiyamaUchiyama – Arthur GeaGea (7-5 6-4) – See score progression
• Oliver CrawfordCrawford – Marat SharipovSharipov (6-3 6-2) – See score progression
• Rio NoguchiNoguchi – Yosuke WatanukiWatanuki (6-4 7-5) – See score progression

Upcoming matches in the draw

• Daniel EvansEvans – Filip PeliwoPeliwo (0-0) – H2H and prediction
• Fajing SunSun – Omar JasikaJasika (0-0) – H2H and prediction
• Tsung-Hao HuangHuang – Bernard TomicTomic (0-0) – H2H and prediction
• Oliver CrawfordCrawford – Rio NoguchiNoguchi (0-0) – H2H and prediction
• Kasidit SamrejSamrej – Yu Hsiou HsuHsiou Hsu (0-0) – H2H and prediction
• Giulio ZeppieriZeppieri – (0-0) – H2H and prediction