Tristan Schoolkate and Jason Murray Kubler will square off in the semifinal of the Gwangju Challenger for the 4^th time in their career. They are scheduled to play on Saturday at 1:30 pm on CENTER COURT. In this post, we analyze their head to head performance and prediction.

Prediction, odds and live streaming

The pick for Tennis Tonic is Jason Murray Kubler who should win in 3 sets.

As per the initial odds, Jason Murray Kubler is the pick to win this match.
Jason Murray Kubler -> 1.81
Tristan Schoolkate -> 1.92

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Prediction and head to head Tristan Schoolkate vs. Jason Murray Kubler

This will be the 4^th time that Tristan Schoolkate and Jason Murray Kubler face off. The head to head is 3-0 for Murray Kubler (see full H2H stats), 2-0 on hard.

The last time that they played each other, Murray Kubler won 6-4 3-6 6-3 in the 1^st round in the Brisbane 2 Challenger back in February 2025.

Tristan Schoolkate

Ranked no. 122, the Australian got to the semifinal after defeating Rei Sakamoto 7-6(4) 7-5, Ilia Simakin 6-4 6-2 and Hyeon Chung 6-3 6-1.

In the quarter, Tristan had a good straight sets win against Chung (6-3 6-1). During the match, Schoolkate scored 64 points vs Chung’s 45. Tristan was extremely aggressive to blast 26 winners.

Regarding the service games, Schoolkate made 4 aces and he committed only 3 double faults. Tristan Schoolkate lost the serve once and he saved 7 break points. Furthermore, Schoolkate put 70% of his first serves in, winning 65% (26/40) of the points behind his 1st serve and 65% (11/17) on the 2nd serve. Schoolkate broke Chung 5 times after converting 56% of his break points (5/9).

Overall Performance in this tournament

Schoolkate hasn’t dropped yet a set in this competition to conquer 55% of the points he played.

Schoolkate has a winning record in the last 7 years having won 59% of his matches (188-132). 18-11 on hard in 2025. Talking about his performance on the same surface of this tournament, Schoolkate has an overall128-90 win-loss record in the last 7 years on hard.

His best result of the current season was winning the title the Brisbane 1 Challenger where he defeated Marek Gengel in the final 7-6(3) 7-6(4).

Tristan has an overall 18-11 win-loss record in 2025, 18-11 on hard (See FULL STATS).

Previously in the Gwangju Challenger

Jason Murray Kubler

Ranked no. 307, Jason reached the semifinal after beating Soon-Woo Kwon 6-3 6-4, Adam Walton 6-4 6-1 and Hugo Grenier 6-2 6-1.

In the quarter, Murray Kubler had a good straight sets win against Grenier (6-2 6-1). During the match Murray Kubler scored 65 points vs Grenier’s 39. Jason was extremely aggressive to blast 21 winners.

About the serving games, Murray Kubler scored 4 aces and he was exceptionally solid in conceding no double faults for the entire match. Overall, Jason Murray Kubler was quite effective on serve to win 75% (21/28) of his 1st serve and 57% (8/14) on the second serve. However, this didn’t prevent his to concede the serve once. Murray Kubler broke Grenier 6 times after converting 55% of his break points (6/11).

Overall Performance in this tournament

The Australian hasn’t dropped yet a set in the tournament to win 60% of the points he played.

Jason’s best result of the current year was getting to the final in the Brisbane 2 Challenger,M25 Burnie and M25 Launceston.

The Australian has an overall 24-7 win-loss record in 2025, 21-5 on hard (See FULL STATS)

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H2H Performance in the tournament (main draw)

Matches, sets, games and points

Points	Schoolkate	Murray Kubler
Match played	3	3
Tot Set	6	6
Tot Games	59	51
Pts	211-173	181-122
Total Points	384	303
Winners	90	74
%Winners	43%	41%

Both Schoolkate and Murray Kubler played 3 matches. Both players have not surrendered a single set in this event so far. Talking about their workload, Schoolkate and Murray Kubler have played the same amount of sets 6. However, Schoolkate played 8 games more than Murray Kubler. The Australian scored 90 winners (43% of the total points). On the other side, Murray Kubler fired 74 winners (41%).

Serve Performance

Serve	Schoolkate	Murray Kubler
Aces	18	14
Avg per match	6	4.7
1st in	123/194	91/144
%1st in	63%	63%
1st pts	90/123	74/91
%1st pts	73%	81%
2nd pts	40/71	29/53
%2nd pts	56%	55%

Schoolkate managed to score 18 aces (6 per match). Murray Kubler scored 14 aces (4.7 per match). Schoolkate won 73% points on his first serve. He pretty solid on his second serve to win 56% of the points. On the other side, Murray Kubler won 81% 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	Schoolkate	Murray Kubler
Won	11	12
Converted	11/24	12/23
% Converted	46%	52%
Conceded	16	5
Saved	13	3
% Saved	81%	60%
Times Broken	3	2

Tristan broke his opponents 11 times with a 46% conversion rate. Tristan surrendered his serve 3 times and he saved 81% of the break points that he conceded. The Australian broke his opponents 12 times with a 52% conversion rate. Murray Kubler conceded his serve twice and he saved 60% of the break points that he conceded.

Schoolkate
	R1 Sakamoto	R2 Simakin	1/4 Chung	Total
Score	7-64 7-5	6-4 6-2	6-3 6-1
Tot Set	2	2	2	6
Tot Games	25	18	16	59
pts	87-83	60-45	64-45	211-173
Total points	170	105	109	384
Winners	38	26	26	90
%Winners	44%	43%	41%	43%
SERVE
Aces	6	8	4	18
Double Faults	5	2	3	10
1st in	50/83	33/54	40/57	123/194
% 1st in	60%	61%	70%	63%
1st pts	38/50	26/33	26/40	90/123
% 1st pts	76%	79%	65%	73%
2nd pts	19/33	10/21	11/17	40/71
% 2nd pts	58%	48%	65%	56%
Breaks
Won	2	4	5	11
Converted	2/10	4/5	5/9	11/24
Converted %	20%	80%	56%	46%
Conceded	4	4	8	16
Saved	3/4	3/4	7/8	13
Saved %	75%	75%	88%	79%
Times Broken	1	1	1	3

Murray Kubler
	R1 Kwon	R2 Walton	1/4 Grenier	Total
Score	6-3 6-4	6-4 6-1	6-2 6-1
Tot Set	2	2	2	6
Tot Games	19	17	15	51
pts	62-45	54-38	65-39	181-122
Total points	107	92	104	303
Winners	30	23	21	74
%Winners	48%	43%	32%	41%
SERVE
Aces	8	2	4	14
Double Faults	2	6	0	8
1st in	35/51	28/51	28/42	91/144
% 1st in	69%	55%	67%	63%
1st pts	30/35	23/28	21/28	74/91
% 1st pts	86%	82%	75%	81%
2nd pts	11/16	10/23	8/14	29/53
% 2nd pts	69%	43%	57%	55%
Breaks
Won	2	4	6	12
Converted	2/8	4/4	6/11	12/23
Converted %	25%	100%	55%	52%
Conceded	0	1	4	5
Saved	0/0	0/1	3/4	3
Saved %	–	0%	75%	25%
Times Broken	0	1	1	2

Tennis Scores in Gwangju Challenger

• Tristan SchoolkateSchoolkate – Hyeon ChungChung (6-3 6-1) – See score progression
• Alibek KachmazovKachmazov – Omar JasikaJasika (6-4 6-2) – See score progression
• Yosuke WatanukiWatanuki – Brandon HoltHolt (7-5 7-6²) – See score progression
• Jason Murray KublerMurray Kubler – Hugo GrenierGrenier (6-2 6-1) – See score progression
• Ray Ho/Matthew Christopher RomiosHo/Matthew Christopher Romios – Soon-Woo Kwon/Uisung ParkKwon/Uisung Park (2-6 7-5 10-7) – See score progression

Upcoming matches in the draw

• Jason Murray KublerMurray Kubler – Tristan SchoolkateSchoolkate (3-0) – H2H and prediction
• Yosuke WatanukiWatanuki – (1-0) – H2H and prediction