Yasutaka Uchiyama and Kaichi Uchida will clash against each other in the quarter of the Zhangjiagang Challenger for the 4^th time in their career. They are scheduled to play on Friday at 4:00 pm on Court 6. In the following paragraphs, 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 2 sets.

As per the initial odds, Yasutaka Uchiyama is the pick to win this match.
Yasutaka Uchiyama -> 1.37
Kaichi Uchida -> 2.9

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Prediction and head to head Yasutaka Uchiyama vs. Kaichi Uchida

This will be the 4^th time that Yasutaka Uchiyama and Kaichi Uchida square off. The head to head is 2-1 for Uchida (see full H2H stats),but they are 1-1 on hard.

The last time that they played, Uchiyama won 7-5 3-6 6-4 in the 1^st round in the Gwangju Challenger back in April 2025.

Yasutaka Uchiyama

Ranked no. 225, the Japanese got to the quarter after beating Yuta Kikuchi 6-2 5-7 6-1 and Tsung-Hao Huang 6-2 6-4.

In the 2^nd round, Uchiyama had a good straight sets win against Huang (6-2 6-4). During the match, Uchiyama scored 68 points vs Huang’s 49. The Japanese was pretty aggressive to blast 26 winners.

Regarding the service games, Uchiyama blasted 3 aces and he was very consistent in conceding no double faults. Yasutaka Uchiyama was quite efficient on serve to win 84% (26/31) of his 1st serve and 77% (10/13) on the second serve. This was the main reason for not conceding a single break during the match. The Japanese broke Huang 3 times after converting 30% of his break points (3/10).

Overall Performance in this tournament

The Japanese has lost 1 set in this competition to win 56% of the points he played.

Uchiyama has winning win-loss record in the last 10 years having won 52% of his matches (248-230). 10-13 on hard in 2025. Talking about his performance on the same surface of this competition, Uchiyama has a composed 187-147 win-loss record in the last years on hard.

The Japanese has a composed 14-19 win-loss record in 2025, 10-13 on hard (See FULL STATS).

Previously in the Zhangjiagang Challenger

Kaichi Uchida

Ranked no. 579, Uchida got to the quarter after beating Qian Sun 6-1 6-3, Takeru Yuzuki 6-4 6-2, Luca Castelnuovo 7-6(4) 6-3 and Rio Noguchi 6-1 7-6(4).

In the 2^nd round, Uchida had a good straight sets win against Noguchi (6-1 7-6⁴). During the match Uchida scored 68 points vs Noguchi’s 50. The Japanese was pretty aggressive to blast 25 winners.

Talking about serving, Uchida blasted 10 aces and he committed only 1 double fault for the entire match. Kaichi Uchida was exceptionally effective on serve to win 89% (25/28) of his 1st serve and 69% (20/29) on the second serve. This was the main reason for not conceding a single break during the match. Kaichi broke Noguchi twice after converting 40% of his break points (2/5).

Overall Performance in this tournament

The Japanese started his run at this tournament from the qualifications. In the main draw, he hasn’t lost yet a set in this tournament to win 57% of the points he played.

Kaichi’s best result of the season was getting to the final in M15 Nakhon Pathom.

The Japanese has an aggregate 19-21 win-loss record in 2025, 16-13 on hard (See FULL STATS).

Previously in the Zhangjiagang Challenger

Previously, his best result was reaching the 1^st round in 2023 and 2024. See his history.

H2H Performance in the tournament (main draw)

Matches, sets, games and points

Points	Uchiyama	Uchida
Match played	2	4
Tot Set	5	8
Tot Games	45	76
Pts	168-132	271-206
Total Points	300	477
Winners	61	114
%Winners	36%	42%

Uchiyama played 2 matches while Uchida competed in 4 matches. Uchida started his run from the qualifications while Uchiyama had a direct access to the main draw. At the moment, Yasutaka Uchiyama conceded 1 set while Kaichi Uchida hasn’t surrendered a set so far. Uchiyama has played 3 set(s) less than Uchida (5 vs 8). Therefore, Uchiyama played 31 games less than Uchida. The Japanese scored 61 winners (36% of the total points). On the other side, Kaichi struck 114 winners (42%).

Serve Performance

Serve	Uchiyama	Uchida
Aces	14	23
Avg per match	7	5.8
1st in	75/126	131/238
%1st in	60%	55%
1st pts	61/75	114/131
%1st pts	81%	87%
2nd pts	28/51	63/107
%2nd pts	55%	59%

Uchiyama recorded 14 aces (7 per match). Uchida scored 23 aces (5.8 per match). Uchiyama won 81% points behind his first serve. He had a solid display on his second serve to win 55% of the points. On the other side, Uchida won 87% 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	Uchiyama	Uchida
Won	9	10
Converted	9/23	10/27
% Converted	39%	37%
Conceded	4	13
Saved	2	13
% Saved	50%	100%
Times Broken	2	0

The Japanese broke his opponents 9 times with a 39% conversion rate. Uchiyama surrendered his serve twice and he saved 50% of the break points that he conceded. Uchida broke his opponents 10 times with a 37% conversion rate. The Japanese was rock solid on his serve as he has never conceded a single service game after saving 13 break points.

Uchiyama
	R1 Kikuchi	R2 Huang	Total
Score	6-2 5-7 6-1	6-2 6-4
Tot Set	3	2	5
Tot Games	27	18	45
pts	100-83	68-49	168-132
Total points	183	117	300
Winners	35	26	61
%Winners	35%	38%	36%
SERVE
Aces	11	3	14
Double Faults	3	0	3
1st in	44/82	31/44	75/126
% 1st in	54%	70%	60%
1st pts	35/44	26/31	61/75
% 1st pts	80%	84%	81%
2nd pts	18/38	10/13	28/51
% 2nd pts	47%	77%	55%
Breaks
Won	6	3	9
Converted	6/13	3/10	9/23
Converted %	46%	30%	39%
Conceded	4	0	4
Saved	2/4	0/0	2
Saved %	50%	–	25%
Times Broken	2	0	2

Uchida
	Q1 Sun	Q3 Yuzuki	R1 Castelnuovo	R2 Noguchi	Total
Score	6-1 6-3	6-4 6-2	7-64 6-3	6-1 7-64
Tot Set	2	2	2	2	8
Tot Games	16	18	22	20	76
pts	63-47	61-42	79-67	68-50	271-206
Total points	110	103	146	118	477
Winners	23	25	41	25	114
%Winners	37%	41%	52%	37%	42%
SERVE
Aces	2	5	6	10	23
Double Faults	5	1	7	1	14
1st in	30/58	26/43	47/80	28/57	131/238
% 1st in	52%	60%	59%	49%	55%
1st pts	23/30	25/26	41/47	25/28	114/131
% 1st pts	77%	96%	87%	89%	87%
2nd pts	16/28	11/17	16/33	20/29	63/107
% 2nd pts	57%	65%	48%	69%	59%
Breaks
Won	4	3	1	2	10
Converted	4/8	3/10	1/4	2/5	10/27
Converted %	50%	30%	25%	40%	37%
Conceded	5	0	8	0	13
Saved	5/5	0/0	8/8	0/0	13
Saved %	100%	–	100%	–	100%
Times Broken	0	0	0	0	0

Upcoming matches in the draw

• Yasutaka UchiyamaUchiyama – Kaichi UchidaUchida (1-2) – H2H and prediction
• Renta TokudaTokuda – Oliver CrawfordCrawford (0-0) – H2H and prediction
• Sanhui ShinShin – (1-1) – H2H and prediction