Kaichi Uchida and Yosuke Watanuki will face off in the quarter of the Yokohama Challenger for the 1st time in their career. They are scheduled to play on Friday at 1:30 pm on COURT 2. In this post, we analyze their head to head performance and prediction.

Prediction, odds and live streaming

The pick for Tennis Tonic is Yosuke Watanuki who should win in 3 sets.

As per the initial odds, Yosuke Watanuki is the pick to win this match.
Yosuke Watanuki -> 1.53
Kaichi Uchida -> 2.44

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Prediction and head to head Kaichi Uchida vs. Yosuke Watanuki

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

Kaichi Uchida

Kaichi Uchida

0 - 0win/loss

Rank
246
High
147
LWWWWLWWWL
Year Total Hard Clay I.hard Grass Carpet
2025 47-31 39-21 0-3 7-6 0-0 1-1
2024 42-30 18-22 16-6 8-2 0-0 0-0
2023 17-33 4-18 3-10 9-4 1-1 0-0
2022 35-34 24-23 8-5 3-6 0-0 0-0
2021 35-26 27-13 6-11 1-2 1-0 0-0

Ranked no. 172, Kaichi got to the quarter after defeating Seong Chan Hong 3-6 7-5 6-3 and Yunseong Chung 7-64 6-3.

In the 2nd round, Kaichi had a good straight sets win against Chung (7-64 6-3). During the match, Uchida scored 72 points vs Chung’s 59. The Japanese was exceptionally aggressive to blast 30 winners.

Regarding the service games, Uchida managed to score 4 aces and he committed only 1 double fault. Overall, Kaichi Uchida was quite effective on serve to win 81% (30/37) of his 1st serve and 57% (12/21) on the second serve. However, this didn’t prevent his to concede the serve once. The Japanese broke Chung 3 times after converting 43% of his break points (3/7).

Overall Performance in this tournament

The Japanese has dropped 1 set in this event to win 52% of the points he played.

Uchida has winning win-loss record in the last 10 years having won 52% of his matches (326-301). 19-20 on hard in 2022. Regarding his performance on the same surface of this tournament, Uchida has an aggregate 186-178 win-loss record in the last years on hard.

Kaichi’s best result of the year was reaching the final in the Oeiras 3 Challenger.

The Japanese has an aggregate 30-30 win-loss record in 2022, 19-20 on hard (See FULL STATS).

Previously in the Yokohama Challenger

Yokohama Challenger
Uchida's Record

Yosuke Watanuki

Yosuke Watanuki

0 - 0win/loss

Rank
160
High
72
WWWWWLLLWL
Year Total Hard Clay I.hard Grass Carpet
2025 31-24 18-18 0-0 6-1 7-5 0-0
2024 11-11 9-8 0-1 2-2 0-0 0-0
2023 43-23 29-12 7-5 1-2 6-4 0-0
2022 40-22 19-11 6-4 15-7 0-0 0-0
2021 18-17 8-9 2-3 6-4 2-1 0-0

Ranked no. 227, the Japanese reached the quarter after defeating Naoki Nakagawa 6-4 6-4 and Tatsuma Ito 5-7 6-0 2-1 ret.

.

In the 2nd round against Ito, Watanuki had a free pass after Ito retired on a 5-7 6-0 2-1 . scoreline.

Yousuke’s best result of the season was getting to the semifinal in the Forli 4 Challenger.

Watanuki has an aggregate 28-20 win-loss record in 2022, 12-9 on hard (See FULL STATS).

Yokohama Challenger
Watanuki's Record

H2H Performance in the tournament (main draw)

K.Uchida
Y.Watanuki
3h:32
3h:32
Time on court​
3h:09
3h:09
1h:14
1h:14
Last match​
1h:37
1h:37
2
2
Match played
2
2
52
52
Games Played​
41
41
5
5
Set played​​
6
6
163
163
Total points​
138
138
81.5
81.5
Avg point​
69
69
75
75
Winners
46
46
37.5
37.5
Avg Winners​
23
23
46%
46%
Ratio winners
33%
33%
-- Serve --
12
12
Aces
17
17
6
6
Avg Aces
8.5
8.5
2
2
Double Faults
6
6
1
1
Avg Double Faults
3
3
75/100
75/100
1st won total​
46/53
46/53
!
75%
75%
1st won %
!
87%
87%
26/55
26/55
2nd won total​
26/46
26/46
47%
47%
2nd won %
57%
57%
-- Break Points --
7/18
7/18
BP won
8/18
8/18
3.5/9
3.5/9
Avg BP won
4/9
4/9
39%
39%
Won
44%
44%
9
9
Conceded
3
3
4.5
4.5
Avg Conceded
1.5
1.5
4
4
Broken
3
3
2
2
Avg Broken
1.5
1.5
5
5
Saved
0
0

Matches, sets, games and points

Points Uchida Watanuki
Match played 2 2
Tot Set 5 6
Tot Games 52 41
Pts 163-153 138-109
Total Points 316 247
Winners 75 46
%Winners 46% 33%

Both Uchida and Watanuki played 2 matches. Both players lost a set in the event. Kaichi Uchida surrendered 1 set, while Yosuke Watanuki conceded 1 set. Uchida has played 1 set(s) less than Watanuki (5 vs 6). However, it’s interesting to notice that Uchida played 11 games more than Watanuki. Kaichi scored 75 winners (46% of the total points). On the other side, Yousuke fired 46 winners (33%).

Serve Performance

Serve Uchida Watanuki
Aces 12 17
Avg per match 6 8.5
1st in 100/155 53/99
%1st in 65% 54%
1st pts 75/100 46/53
%1st pts 75% 87%
2nd pts 26/55 26/46
%2nd pts 47% 57%

Uchida blasted 12 aces (6 per match). Watanuki scored 17 aces (8.5 per match). Uchida won 75% points on his first serve. He quite strong on his second serve to win 47% of the points. On the other side, Watanuki won 87% of the points on his first serve. He had a solid display on his second serve to win 57% of the points.

How they played the important points

Breaks Uchida Watanuki
Won 7 8
Converted 7/18 8/18
% Converted 39% 44%
Conceded 9 3
Saved 5 0
% Saved 56% 0%
Times Broken 4 3

Kaichi broke his opponents 7 times with a 39% conversion rate. Uchida dropped his serve 4 times and he saved 56% of the break points that he conceded. Yousuke broke his opponents 8 times with a 44% conversion rate. Watanuki conceded his serve 3 times and he saved 0% of the break points that he conceded.

Uchida
R1
Chan Hong
R2
Chung
Total
Score 3-6 7-5 6-3 7-64 6-3
Tot Set 3 2 5
Tot Games 30 22 52
pts 91-94 72-59 163-153
Total points 185 131 316
Winners 45 30 75
%Winners 49% 42% 46%
SERVE
Aces 8 4 12
Double Faults 1 1 2
1st in 63/97 37/58 100/155
% 1st in 65% 64% 65%
1st pts 45/63 30/37 75/100
% 1st pts 71% 81% 75%
2nd pts 14/34 12/21 26/55
% 2nd pts 41% 57% 47%
Breaks
Won 4 3 7
Converted 4/11 3/7 7/18
Converted % 36% 43% 39%
Conceded 6 3 9
Saved 3/6 2/3 5
Saved % 50% 67% 59%
Times Broken 3 1 4
Watanuki
R1
Nakagawa
R2
Ito
Total
Score 6-4 6-4 5-7 6-0 2-1 ret.
Tot Set 2 3 5
Tot Games 20 21 41
pts 69-55 69-54 138-109
Total points 124 123 247
Winners 24 22 46
%Winners 35% 32% 33%
SERVE
Aces 10 7 17
Double Faults 2 4 6
1st in 26/51 27/48 53/99
% 1st in 51% 56% 54%
1st pts 24/26 22/27 46/53
% 1st pts 92% 81% 87%
2nd pts 14/25 12/21 26/46
% 2nd pts 56% 57% 57%
Breaks
Won 3 5 8
Converted 3/11 5/7 8/18
Converted % 27% 71% 44%
Conceded 1 2 3
Saved 0/1 0/2 0
Saved % 0% 0% 0%
Times Broken 1 2 3

Upcoming matches in the draw