Yosuke Watanuki and Kokoro Isomura will clash against each other in the quarter of the Matsuyama Challenger for the 1^st time in their career. They are scheduled to compete on Friday at 11:30 am on CENTER COURT. 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 Yosuke Watanuki who should win in 2 sets.

As per the initial odds, Yosuke Watanuki is the pick to win this match.
Yosuke Watanuki -> 1.177
Kokoro Isomura -> 4.45

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Prediction and head to head Yosuke Watanuki vs. Kokoro Isomura

There is no head to head record between Yosuke Watanuki and Kokoro Isomura since this will be the first time that they will square off in the main tour.

Yosuke Watanuki

Ranked no. 290, Yousuke reached the quarter after defeating Yi Zhou 5-7 6-3 6-3 and Hiroki Moriya 6-2 6-0.

In the 2^nd round, Yousuke had a good straight sets win against Moriya (6-2 6-0). During the match, Watanuki scored 60 points vs Moriya’s 34. The Japanese was very aggressive to blast 16 winners.

Regarding the service games, Watanuki managed to score 5 aces and he committed only 4 double faults. Yosuke Watanuki was exceptionally effective on serve to win 80% (16/20) of his 1st serve and 75% (12/16) on the second serve. This was the main reason for not conceding a single break during the match. Yousuke broke Moriya 5 times after converting 63% of his break points (5/8).

Overall Performance in this tournament

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

Watanuki has a solid record in the last 10 years having won 61% of his matches (227-145). 8-7 on hard in 2024. Regarding his performance on the same surface of this tournament, Watanuki has an overall 140-80 win-loss record in the last years on hard.

The Japanese has an overall 8-9 win-loss record in 2024, 8-7 on hard (See FULL STATS).

Previously in the Matsuyama Challenger

Kokoro Isomura

Ranked no. 502 (career-high), Kokoro got to the quarter after defeating Yan Bai 7-6(5) 7-6(3), Takuya Kumasaka 7-6(5) 3-6 7-6(3), Jurij Rodionov 6-4 6-3 and Elias Ymer 6-3 5-7 6-3.

In the 2^nd round, Isomura defeated Ymer (6-3 5-7 6-3). During the match Isomura scored 102 points vs Ymer’s 92. The Japanese was very aggressive to blast 36 winners.

About the serving games, Isomura scored just 1 ace during the entire match and he committed only 5 double faults. Kokoro Isomura lost the serve 3 times and he saved 4 break points. Furthermore, Isomura put 60% of his first serves in, winning 68% (36/53) of the points behind his 1st serve and 61% (22/36) on the 2nd serve. The Japanese broke Ymer 5 times after converting 38% of his break points (5/13).

Overall Performance in this tournament

Isomura started his run at this tournament from the qualifications. In the main draw, he has conceded 2 set in the tournament to win 52% of the points he played.

Kokoro’s best result of the year was getting to the final in M15 Tsukuba and M25 Sapporo.

Kokoro has an overall 39-22 win-loss record in 2024, 27-15 on hard (See FULL STATS).

H2H Performance in the tournament (main draw)

Matches, sets, games and points

Points	Watanuki	Isomura
Match played	2	4
Tot Set	5	10
Tot Games	44	110
Pts	158-123	375-350
Total Points	281	725
Winners	51	145
%Winners	32%	39%

Watanuki played 2 matches while Isomura competed in 4 matches. Isomura started his run from the qualifications while Watanuki had a direct access to the main draw. Both players lost a set in the event. Yosuke Watanuki lost 1 set, while Kokoro Isomura lost 2 sets. Watanuki has played 5 set(s) less than Isomura (5 vs 10). Therefore, Watanuki played 66 games less than Isomura. The Japanese scored 51 winners (32% of the total points). On the other side, Isomura fired 145 winners (39%).

Serve Performance

Serve	Watanuki	Isomura
Aces	13	1
Avg per match	6.5	0.3
1st in	62/127	215/352
%1st in	49%	61%
1st pts	51/62	145/215
%1st pts	82%	67%
2nd pts	38/65	76/137
%2nd pts	58%	55%

Watanuki recorded 13 aces (6.5 per match). Isomura scored 1 ace (0.3 per match). Watanuki won 82% points on his first serve. He had a solid display on his second serve to win 58% of the points. On the other side, Isomura won 67% 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	Watanuki	Isomura
Won	9	15
Converted	9/16	15/35
% Converted	56%	43%
Conceded	2	32
Saved	0	20
% Saved	0%	63%
Times Broken	2	12

The Japanese broke his opponents 9 times with a 56% conversion rate. Yousuke surrendered his serve twice and he saved 0% of the break points that he conceded. The Japanese broke his opponents 15 times with a 43% conversion rate. Kokoro conceded his serve 12 times and he saved 63% of the break points that he conceded.

Watanuki
	R1 Zhou	R2 Moriya	Total
Score	5-7 6-3 6-3	6-2 6-0
Tot Set	3	2	5
Tot Games	30	14	44
pts	98-89	60-34	158-123
Total points	187	94	281
Winners	35	16	51
%Winners	36%	27%	32%
SERVE
Aces	8	5	13
Double Faults	6	4	10
1st in	42/91	20/36	62/127
% 1st in	46%	56%	49%
1st pts	35/42	16/20	51/62
% 1st pts	83%	80%	82%
2nd pts	26/49	12/16	38/65
% 2nd pts	53%	75%	58%
Breaks
Won	4	5	9
Converted	4/8	5/8	9/16
Converted %	50%	63%	56%
Conceded	2	0	2
Saved	0/2	0/0	0
Saved %	0%	–	0%
Times Broken	2	0	2

Isomura
	Q1 Bai	Q3 Kumasaka	R1 Rodionov	R2 Ymer	Total
Score	7-65 7-63	7-65 3-6 7-63	6-4 6-3	6-3 5-7 6-3
Tot Set	2	3	2	3	10
Tot Games	26	35	19	30	110
pts	83-74	121-123	69-61	102-92	375-350
Total points	157	244	130	194	725
Winners	37	46	26	36	145
%Winners	45%	38%	38%	35%	39%
SERVE
Aces	0	0	0	1	1
Double Faults	4	13	6	5	28
1st in	51/78	73/114	38/71	53/89	215/352
% 1st in	65%	64%	54%	60%	61%
1st pts	37/51	46/73	26/38	36/53	145/215
% 1st pts	73%	63%	68%	68%	67%
2nd pts	14/27	18/41	22/33	22/36	76/137
% 2nd pts	52%	44%	67%	61%	55%
Breaks
Won	3	5	2	5	15
Converted	3/3	5/10	2/9	5/13	15/35
Converted %	100%	50%	22%	38%	43%
Conceded	3	17	5	7	32
Saved	0/3	11/17	5/5	4/7	20
Saved %	0%	65%	100%	57%	111%
Times Broken	3	6	0	3	12

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• Nicolas Moreno De AlboranMoreno De Alboran – (0-0) – H2H and prediction