Yoshihito Nishioka and Christopher O Connell will square off in the semifinal of the Porto Challenger for the 1st time in their career. They are scheduled to compete on Saturday at 1:30 pm on COURT CARLSBERG. In this post, we analyze their head to head performance and prediction.

Prediction, odds and live streaming

The pick for Tennis Tonic is Christopher O Connell who should win in 3 sets.

As per the initial odds, Christopher O Connell is the pick to win this match.
Christopher O Connell -> 1.9
Yoshihito Nishioka -> 1.9

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Prediction and head to head Yoshihito Nishioka vs. Christopher O Connell

There is no head to head record

between Yoshihito Nishioka and Christopher O Connell since this will be the first time that they will fight against each other in the main tour.

Yoshihito Nishioka

Yoshihito Nishioka

0 - 0win/loss

Rank
111
High
24
WWWWWWLWWW
See allSTATS
Year Total Hard Clay I.hard Grass Carpet
2025 26-22 16-14 0-2 10-2 0-4 0-0
2024 29-24 17-15 6-7 1-0 5-2 0-0
2023 23-22 14-15 5-5 4-1 0-1 0-0
2022 44-25 25-13 2-5 17-6 0-1 0-0
2021 19-26 5-11 8-7 5-5 1-3 0-0
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Ranked no. 101, Nishioka got to the semifinal after defeating Andrey Kuznetsov 7-65 7-5, Emilio Nava 7-62 6-3 and Hugo Grenier 2-6 6-2 4-0 ret..

In the quarter against Grenier, The Japanese recovered from a 1-set down deficit before winning (2-6 6-2 4-0 ret.). During the match, Nishioka scored 66 points vs Grenier’s 57. Nishioka was extremely aggressive to blast 33 winners.

Regarding the service games, Nishioka scored 2 aces and he committed only 2 double faults. Yoshihito Nishioka lost the serve twice and he saved 4 break points. Furthermore, Nishioka put 73% of his first serves in, winning 69% (33/48) of the points behind his 1st serve and 44% (8/18) on the 2nd serve. Nishioka broke Grenier 4 times after converting 50% of his break points (4/8).

Overall Performance in this tournament

The Japanese hasn’t dropped yet a set in this tournament to win 54% of the points he played.

Nishioka has a solid record in the last 10 years having won 62% of his matches (335-203). 14-7 on hard in 2022. Talking about his performance on the same surface of this event, Nishioka has a composed 190-109 match record in the last years on hard.

The Japanese’s best result of the current season was reaching the final in the Columbus Challenger and the Cleveland Challenger.

The Japanese has a composed 26-15 win-loss record in 2022, 14-7 on hard (See FULL STATS).

Previously in the Porto Challenger

The Japanese has never competed in this tournament before.

Porto Challenger
Nishioka's Record

Christopher O Connell

Christopher O Connell

0 - 0win/loss

Rank
114
High
53
LLWLLWWLWW
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Year Total Hard Clay I.hard Grass Carpet
2025 23-28 19-15 3-7 0-0 1-6 0-0
2024 28-26 23-16 2-4 3-5 0-1 0-0
2023 38-34 19-18 11-9 4-3 4-4 0-0
2022 50-25 30-16 12-5 3-1 5-3 0-0
2021 22-16 14-9 3-3 1-1 4-3 0-0
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Ranked no. 108 (career-high), the Australian reached the semifinal after beating Omar Jasika 6-2 6-4, Gregoire Barrere 6-3 6-1 and Kaichi Uchida 6-4 6-2.

In the quarter, The Australian had a good straight sets win against Uchida (6-4 6-2). During the match O scored 63 points vs Uchida’s 50. Christopher was very aggressive to blast 23 winners.

Talking about serving, O recorded 10 aces and he committed only 2 double faults. Christopher O Connell was pretty effective on serve to win 88% (23/26) of his 1st serve and 61% (17/28) on the second serve. This was the main reason for not conceding a single break during the match. O broke Uchida 3 times after converting 30% of his break points (3/10).

Overall Performance in this tournament

The Australian hasn’t dropped yet a set in the tournament to win 58% of the points he played.

O’s best result of the season was reaching the final in the Split Challenger.

The Australian has an overall 30-14 win-loss record in 2022, 13-6 on hard (See FULL STATS).

Porto Challenger
O's Record

H2H Performance in the tournament (main draw)

Y.Nishioka
C.O Connell
5h:13
5h:13
Time on court​
3h:34
3h:34
1h:34
1h:34
Last match​
1h:20
1h:20
3
3
Match played
3
3
67
67
Games Played​
52
52
8
8
Set played​​
6
6
249
249
Total points​
188
188
83
83
Avg point​
62.7
62.7
103
103
Winners
74
74
34.3
34.3
Avg Winners​
24.7
24.7
41%
41%
Ratio winners
39%
39%
-- Serve --
7
7
Aces
30
30
2.3
2.3
Avg Aces
10
10
6
6
Double Faults
8
8
2
2
Avg Double Faults
2.7
2.7
103/142
103/142
1st won total​
74/85
74/85
!
73%
73%
1st won %
!
87%
87%
42/76
42/76
2nd won total​
37/63
37/63
55%
55%
2nd won %
59%
59%
-- Break Points --
9/25
9/25
BP won
10/26
10/26
3/8.3
3/8.3
Avg BP won
3.3/8.7
3.3/8.7
36%
36%
Won
38%
38%
18
18
Conceded
6
6
6
6
Avg Conceded
2
2
5
5
Broken
0
0
1.7
1.7
Avg Broken
!
0
0
13
13
Saved
6
6
See Allstats

Matches, sets, games and points

Points Nishioka O
Match played 3 3
Tot Set 8 6
Tot Games 67 52
Pts 249-215 188-137
Total Points 464 325
Winners 103 74
%Winners 41% 39%

Both Nishioka and O played 3 matches. At the moment, Yoshihito Nishioka lost 1 set while Christopher O Connell hasn’t lost a set so far. Nishioka has played 2 sets more than O (8 vs 6). Therefore, Nishioka played 15 games more than O. Nishioka scored 103 winners (41% of the total points). On the other side, The Australian scored 74 winners (39%).

Serve Performance

Serve Nishioka O
Aces 7 30
Avg per match 2.3 10
1st in 142/218 85/148
%1st in 65% 57%
1st pts 103/142 74/85
%1st pts 73% 87%
2nd pts 42/76 37/63
%2nd pts 55% 59%

Nishioka scored 7 aces (2.3 per match). O fired 30 aces (10 per match). Nishioka won 73% points on his first serve. He extremely effective on his second serve to win 55% of the points. On the other side, O 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 Nishioka O
Won 9 10
Converted 9/25 10/26
% Converted 36% 38%
Conceded 18 6
Saved 13 6
% Saved 72% 100%
Times Broken 5 0

Nishioka broke his opponents 9 times with a 36% conversion rate. The Japanese conceded his serve 5 times and he saved 72% of the break points that he conceded. The Australian broke his opponents 10 times with a 38% conversion rate. Christopher was rock solid on his serve as he has never conceded a single service game after saving 6 break points.

Nishioka
R1
Kuznetsov		 R2
Nava		 1/4
Grenier		 Total
Score 7-65 7-5 7-62 6-3 2-6 6-2 4-0 ret.
Tot Set 2 2 3 7
Tot Games 25 22 20 67
pts 99-92 84-66 66-57 249-215
Total points 191 150 123 464
Winners 38 32 33 103
%Winners 38% 38% 50% 41%
SERVE
Aces 4 1 2 7
Double Faults 2 2 2 6
1st in 56/92 38/60 48/66 142/218
% 1st in 61% 63% 73% 65%
1st pts 38/56 32/38 33/48 103/142
% 1st pts 68% 84% 69% 73%
2nd pts 20/36 14/22 8/18 42/76
% 2nd pts 56% 64% 44% 55%
Breaks
Won 3 2 4 9
Converted 3/8 2/9 4/8 9/25
Converted % 38% 22% 50% 36%
Conceded 11 1 6 18
Saved 9/11 0/1 4/6 13
Saved % 82% 0% 67% 50%
Times Broken 2 1 2 5
O
R1
Jasika		 R2
Barrere		 1/4
Uchida		 Total
Score 6-2 6-4 6-3 6-1 6-4 6-2
Tot Set 2 2 2 6
Tot Games 18 16 18 52
pts 60-44 65-43 63-50 188-137
Total points 104 108 113 325
Winners 26 25 23 74
%Winners 43% 38% 37% 39%
SERVE
Aces 12 8 10 30
Double Faults 6 0 2 8
1st in 28/50 31/44 26/54 85/148
% 1st in 56% 70% 48% 57%
1st pts 26/28 25/31 23/26 74/85
% 1st pts 93% 81% 88% 87%
2nd pts 11/22 9/13 17/28 37/63
% 2nd pts 50% 69% 61% 59%
Breaks
Won 3 4 3 10
Converted 3/5 4/11 3/10 10/26
Converted % 60% 36% 30% 38%
Conceded 1 4 1 6
Saved 1/1 4/4 1/1 6
Saved % 100% 100% 100% 100%
Times Broken 0 0 0 0

Tennis Scores in Porto Challenger

Upcoming matches in the draw

Nishioka
More Stats
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O Connell

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