Michael Zheng and Olle Wallin will square off in the 2^nd round of the Tiburon Challenger for the 1^st time in their career. They are scheduled to play on Thursday at 12:30 pm on KENNEDY-GROSSMAN. In the following lines you can find the head to head analysis and prediction.

Prediction, odds and live streaming

The pick for Tennis Tonic is Michael Zheng who should win in 2 sets.

As per the initial odds, Michael Zheng is the pick to win this match.
Michael Zheng -> 1.29
Olle Wallin -> 3.34

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Prediction and head to head Michael Zheng vs. Olle Wallin

There is no head to head record between Michael Zheng and Olle Wallin since this will be the first time that they will play each other in the main tour.

Michael Zheng

Ranked no. 228, Michael reached the 2^nd round after beating Oliver Tarvet 6-4 6-3.

In the 1^st round, Michael had a good straight sets win against Tarvet (6-4 6-3). During the match, Zheng scored 63 points vs Tarvet’s 55. The American was very aggressive to blast 20 winners.

Talking about the service games, Zheng struck 3 aces and he committed only 1 double fault. Michael Zheng lost the serve twice and he saved 4 break points. Furthermore, Zheng put 51% of his first serves in, winning 74% (20/27) of the points behind his 1st serve and 46% (12/26) on the 2nd serve. Michael broke Tarvet 5 times after converting 38% of his break points (5/13).

Zheng has a solid match record in the last 5 years having won 64% of his matches (65-36). 18-6 on hard in 2025. In connection with his performance on the same surface of this event, Zheng has an overall43-23 record in the last 5 years on hard.

His best result of the year was conquering the title the Chicago Challenger where he beat Yu Hsiou Hsu in the final 6-4 6-2 and the Columbus Challenger where he defeated Martin Damm in the final 3-6 6-3 7-5.

Zheng has a compiled 25-8 win-loss record in 2025, 18-6 on hard (See FULL STATS).

Previously in the Tiburon Challenger

Zheng has never competed in this tournament before.

Olle Wallin

Ranked no. 402 (career-high), Olle reached the 2^nd round after defeating Kaylan Bigun 6-2 6-4, Nicholas Godsick 6-2 6-4 and Martin Damm 2-6 7-6(5) 6-3.

In the 1^st round against Damm, Olle recovered from a 1-set down deficit before winning (2-6 7-6⁵ 6-3). During the match Wallin and Damm scored the same amount of points (89). However, the world no. 228 was stronger during the important points and that was the most significant difference in the match. Wallin was exceptionally aggressive to blast 33 winners.

About the serving games, Wallin struck 10 aces and he committed only 3 double faults. Olle Wallin lost the serve 4 times and he saved 6 break points. Furthermore, Wallin put 49% of his first serves in, winning 70% (33/47) of the points behind his 1st serve and 59% (29/49) on the 2nd serve. Wallin broke Damm 3 times after converting 50% of his break points (3/6).

The Swede’s best result of the season was reaching the final in M15 Sanxenxo.

The Swede has an aggregate 37-22 win-loss record in 2025, 16-9 on hard (See FULL STATS).

H2H Performance in the tournament

Matches, sets, games and points

Points	Zheng	Wallin
Match played	1	3
Tot Set	2	7
Tot Games	19	66
Pts	63-55	226-199
Total Points	118	425
Winners	20	82
%Winners	32%	36%

Zheng played 1 match while Wallin competed in 3 matches. Wallin started his run from the qualifications while Zheng had a direct access to the main draw. At the moment, Olle Wallin dropped 1 set while Michael Zheng hasn’t lost a set so far. Zheng has played 5 set(s) less than Wallin (2 vs 7). Therefore, Zheng played 47 games less than Wallin. Michael scored 20 winners (32% of the total points). On the other side, Wallin blasted 82 winners (36%).

Serve Performance

Serve	Zheng	Wallin
Aces	3	19
Avg per match	3	6.3
1st in	27/53	113/228
%1st in	51%	50%
1st pts	20/27	82/113
%1st pts	74%	73%
2nd pts	12/26	63/115
%2nd pts	46%	55%

Zheng made 3 aces . Wallin struck 19 aces (6.3 per match). Zheng won 74% points behind his first serve. He extremely effective on his second serve to win 46% of the points. On the other side, Wallin won 73% 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	Zheng	Wallin
Won	5	11
Converted	5/13	11/20
% Converted	38%	55%
Conceded	6	23
Saved	4	17
% Saved	67%	74%
Times Broken	2	6

Zheng broke his opponent 5 times with a 38% conversion rate. Zheng conceded his serve twice and he saved 67% of the break points that he conceded. Wallin broke his opponents 11 times with a 55% conversion rate. The Swede conceded his serve 6 times and he saved 74% of the break points that he conceded.

Zheng
	R1 Tarvet	Total
Score	6-4 6-3
Tot Set	2	2
Tot Games	19	19
pts	63-55	63-55
Total points	118	118
Winners	20	20
%Winners	32%	32%
SERVE
Aces	3	3
Double Faults	1	1
1st in	27/53	27/53
% 1st in	51%	51%
1st pts	20/27	20/27
% 1st pts	74%	74%
2nd pts	12/26	12/26
% 2nd pts	46%	46%
Breaks
Won	5	5
Converted	5/13	5/13
Converted %	38%	38%
Conceded	6	6
Saved	4/6	4
Saved %	67%	67%
Times Broken	2	2

Wallin
	Q1 Bigun	Q3 Godsick	R1 Damm	Total
Score	6-2 6-4	6-2 6-4	2-6 7-65 6-3
Tot Set	2	2	3	7
Tot Games	18	18	30	66
pts	71-58	66-52	89-89	226-199
Total points	129	118	178	425
Winners	29	20	33	82
%Winners	41%	30%	37%	36%
SERVE
Aces	5	4	10	19
Double Faults	4	3	3	10
1st in	40/78	26/54	47/96	113/228
% 1st in	51%	48%	49%	50%
1st pts	29/40	20/26	33/47	82/113
% 1st pts	73%	77%	70%	73%
2nd pts	16/38	18/28	29/49	63/115
% 2nd pts	42%	64%	59%	55%
Breaks
Won	5	3	3	11
Converted	5/7	3/7	3/6	11/20
Converted %	71%	43%	50%	55%
Conceded	11	2	10	23
Saved	9/11	2/2	6/10	17
Saved %	82%	100%	60%	242%
Times Broken	2	0	4	6

Tennis Scores in Tiburon Challenger

• Rafael JodarJodar – Jack Pinnington JonesPinnington Jones (6-2 6-3) – Stats, scores, rankings
• Nicolas MejiaMejia – Mats RosenkranzRosenkranz (2-6 6-4 7-6⁵) – Stats, scores, rankings
• Dmitry PopkoPopko – Bor ArtnakArtnak (6-2 6-4) – Stats, scores, rankings
• Abedallah ShelbayhShelbayh – Alfredo PerezPerez (4-6 6-3 6-2) – Stats, scores, rankings

Upcoming matches in the draw

• Mitchell KruegerKrueger – (1-1) – H2H and prediction
• Benjamin HassanHassan – (0-0) – H2H and prediction
• Nicolas MejiaMejia – (0-1) – H2H and prediction
• Tyler ZinkZink – (0-1) – H2H and prediction