Alex Bolt and Jason Murray Kubler will clash against each other in the quarter of the Sydney Challenger for the 4^th time in their career. They are scheduled to play on Friday at 4:00 pm on COURT 2. Here the head to head stats and relative prediction.

Prediction, odds and live streaming

The pick for Tennis Tonic is Alex Bolt who should win in 3 sets.

As per the initial odds, Alex Bolt is the pick to win this match.
Alex Bolt -> 1.55
Jason Murray Kubler -> 2.26

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Prediction and head to head Alex Bolt vs. Jason Murray Kubler

This will be the 4^th time that Alex Bolt and Jason Murray Kubler play each other. The head to head is 3-0 for Murray Kubler (see full H2H stats), 3-0 on hard.

The last time that they fought against each other, Murray Kubler won 6-3 6-3 in the quarter in the Playford Challenger back in 2018.

Alex Bolt

Ranked no. 188, Bolt got to the quarter after beating Takuya Kumasaka 6-3 6-4 and Philip Sekulic 6-2 6-1.

In the 2^nd round, Alex had a good straight sets win against Sekulic (6-2 6-1). During the match, Bolt scored 60 points vs Sekulic’s 34. Bolt was quite aggressive to blast 25 winners.

Talking about the service games, Bolt made 7 aces and he committed only 2 double faults. Alex Bolt was extremely effective on serve to win 74% (25/34) of his 1st serve and 67% (12/18) on the second serve. This was the main reason for not conceding a single break during the match. Alex broke Sekulic 4 times after converting 67% of his break points (4/6).

Overall Performance in this tournament

The Australian hasn’t surrendered yet a set in this event to win 59% of the points he played.

Bolt has winning win-loss record in the last 10 years having won 52% of his matches (266-243). 23-15 on hard in 2025. Talking about his performance on the same surface of this tournament, Bolt has an overall 175-126 record in the last years on hard.

His best result of the current season was winning the title the Brisbane 3 Challenger where he defeated Tung-Lin Wu in the final 6-3 6-3.

Alex has an aggregate 32-21 win-loss record in 2025, 23-15 on hard (See FULL STATS).

Previously in the Sydney Challenger

Jason Murray Kubler

Ranked no. 190, Murray Kubler reached the quarter after beating Pavle Marinkov 6-3 1-6 6-2 and Marek Gengel 6-4 6-2.

In the 2^nd round, Jason had a good straight sets win against Gengel (6-4 6-2). During the match Murray Kubler scored 58 points vs Gengel’s 38. The Australian was quite aggressive to blast 27 winners.

Talking about serving, Murray Kubler managed to score 4 aces and he was extremely solid in conceding no double faults for the entire match. Jason Murray Kubler was very effective on serve to win 87% (27/31) of his 1st serve and 64% (9/14) on the second serve. This was the main reason for not conceding a single break during the match. Jason broke Gengel 3 times after converting 60% of his break points (3/5).

Overall Performance in this tournament

The Australian has conceded 1 set in the tournament to win 57% of the points he played.

His best result of the season was winning the title the Gwangju Challenger where he beat Alibek Kachmazov in the final 7-5 6-7(7) 6-3.

Jason has an aggregate 37-14 win-loss record in 2025, 28-11 on hard (See FULL STATS).

Previously in the Sydney Challenger

The Australian has never competed in this tournament before.

H2H Performance in the tournament (main draw)

Matches, sets, games and points

Points	Bolt	Murray Kubler
Match played	2	2
Tot Set	4	5
Tot Games	34	42
Pts	137-96	126-96
Total Points	233	222
Winners	60	56
%Winners	44%	44%

Both Bolt and Murray Kubler played 2 matches. At the moment, Jason Murray Kubler dropped 1 set while Alex Bolt hasn’t surrendered a set so far. Bolt has played 1 set(s) less than Murray Kubler (4 vs 5). Therefore, Bolt played 8 games less than Murray Kubler. The Australian scored 60 winners (44% of the total points). On the other side, The Australian scored 56 winners (44%).

Serve Performance

Serve	Bolt	Murray Kubler
Aces	9	15
Avg per match	4.5	7.5
1st in	85/126	70/104
%1st in	67%	67%
1st pts	60/85	56/70
%1st pts	71%	80%
2nd pts	23/41	17/34
%2nd pts	56%	50%

Bolt blasted 9 aces (4.5 per match). Murray Kubler struck 15 aces (7.5 per match). Bolt won 71% points behind his first serve. He pretty solid on his second serve to win 56% of the points. On the other side, Murray Kubler won 80% of the points on his first serve. He had a solid display on his second serve to win 50% of the points.

How they played the important points

Breaks	Bolt	Murray Kubler
Won	8	8
Converted	8/15	8/11
% Converted	53%	73%
Conceded	6	5
Saved	4	1
% Saved	67%	20%
Times Broken	2	4

The Australian broke his opponents 8 times with a 53% conversion rate. The Australian conceded his serve twice and he saved 67% of the break points that he conceded. The Australian broke his opponents 8 times with a 73% conversion rate. Jason conceded his serve 4 times and he saved 20% of the break points that he conceded.

Bolt
	R1 Kumasaka	R2 Sekulic	Total
Score	6-3 6-4	6-2 6-1
Tot Set	2	2	4
Tot Games	19	15	34
pts	77-62	60-34	137-96
Total points	139	94	233
Winners	35	25	60
%Winners	45%	42%	44%
SERVE
Aces	2	7	9
Double Faults	1	2	3
1st in	51/74	34/52	85/126
% 1st in	69%	65%	67%
1st pts	35/51	25/34	60/85
% 1st pts	69%	74%	71%
2nd pts	11/23	12/18	23/41
% 2nd pts	48%	67%	56%
Breaks
Won	4	4	8
Converted	4/9	4/6	8/15
Converted %	44%	67%	53%
Conceded	5	1	6
Saved	3/5	1/1	4
Saved %	60%	100%	80%
Times Broken	2	0	2

Murray Kubler
	R1 Marinkov	R2 Gengel	Total
Score	6-3 1-6 6-2	6-4 6-2
Tot Set	3	2	5
Tot Games	24	18	42
pts	68-58	58-38	126-96
Total points	126	96	222
Winners	29	27	56
%Winners	43%	47%	44%
SERVE
Aces	11	4	15
Double Faults	0	0	0
1st in	39/59	31/45	70/104
% 1st in	66%	69%	67%
1st pts	29/39	27/31	56/70
% 1st pts	74%	87%	80%
2nd pts	8/20	9/14	17/34
% 2nd pts	40%	64%	50%
Breaks
Won	5	3	8
Converted	5/6	3/5	8/11
Converted %	83%	60%	73%
Conceded	5	0	5
Saved	1/5	0/0	1
Saved %	20%	–	10%
Times Broken	4	0	4

Tennis Scores in Sydney Challenger

• Anirudh Chandrasekar/Reese StalderChandrasekar/Reese Stalder – Blake Bayldon/Brandon WalkinBayldon/Brandon Walkin (7-6⁸ 7-5) – Stats, scores, rankings

Upcoming matches in the draw

• James DuckworthDuckworth – Dane SweenySweeny (1-0) – H2H and prediction
• Jason Murray KublerMurray Kubler – Alex BoltBolt (3-0) – H2H and prediction
• Tai SachSach – (0-0) – H2H and prediction