Mackenzie Mcdonald and Kamil Majchrzak will face off in the semifinal of the San Diego Challenger for the 2^nd time in their career. They are scheduled to compete on Saturday at 2:30 pm on STADIUM. In the following paragraphs, you can find the head to head analysis and prediction.

Prediction, odds and live streaming

The pick for Tennis Tonic is Mackenzie Mcdonald who should win in 3 sets.

As per the initial odds, Mackenzie Mcdonald is the pick to win this match.
Mackenzie Mcdonald -> 1.57
Kamil Majchrzak -> 2.28

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Prediction and head to head Mackenzie Mcdonald vs. Kamil Majchrzak

This will be the 2^nd time that Mackenzie Mcdonald and Kamil Majchrzak face off. The head to head is 1-0 for Mcdonald (see full H2H stats), 1-0 on hard.

The last time that they played, Mcdonald won 6-3 6-4 in the 2^nd round in the Seoul Challenger back in 2018.

Mackenzie Mcdonald

Ranked no. 117, the American reached the semifinal after beating Karue Sell 6-3 6-3, Matteo Gigante 6-3 7-5 and Trevor Svajda 6-3 6-4.

In the quarter, Mackenzie had a good straight sets win against Svajda (6-3 6-4). During the match, Mcdonald scored 76 points vs Svajda’s 66. The American was very aggressive to blast 27 winners.

Regarding the service games, Mcdonald made 5 aces and he committed only 4 double faults. Mackenzie Mcdonald lost the serve twice and he saved 11 break points. Furthermore, Mcdonald put 56% of his first serves in, winning 66% (27/41) of the points behind his 1st serve and 47% (15/32) on the 2nd serve. Mackenzie broke Svajda 5 times after converting 42% of his break points (5/12).

Overall Performance in this tournament

The American hasn’t conceded yet a set in this competition to win 56% of the points he played.

Mcdonald has good win-loss record in the last 10 years having won 56% of his matches (279-220). 6-3 on hard in 2025. Regarding his performance on the same surface of this tournament, Mcdonald has an aggregate 172-118 win-loss record in the last years on hard.

Mackenzie’s best result of the year was reaching the semifinal in the Oeiras 2 Challenger.

Mackenzie has a composed 11-5 win-loss record in 2025, 6-3 on hard (See FULL STATS).

Previously in the San Diego Challenger

Mcdonald has never competed in this tournament before.

Kamil Majchrzak

Ranked no. 118, Majchrzak reached the semifinal after beating Colton Smith 7-6(3) 6-4, Michael Mmoh 7-5 7-5 and Alex Bolt 7-6(2) 1-1 ret..

In the quarter against Bolt, Majchrzak had a free pass after Bolt retired on a 7-6²

1-1 . scoreline.

The Pole has a composed 8-3 win-loss record in 2025, 6-1 on hard (See FULL STATS).

H2H Performance in the tournament (main draw)

Matches, sets, games and points

Points	Mcdonald	Majchrzak
Match played	3	3
Tot Set	6	7
Tot Games	58	62
Pts	216-173	210-190
Total Points	389	400
Winners	80	90
%Winners	37%	43%

Both Mcdonald and Majchrzak played 3 matches. Both players have not surrendered a single set in this event so far. Mcdonald has played 1 set(s) less than Majchrzak (6 vs 7). Therefore, Mcdonald played 4 games less than Majchrzak. The American scored 80 winners (37% of the total points). On the other side, Kamil struck 90 winners (43%).

Serve Performance

Serve	Mcdonald	Majchrzak
Aces	12	9
Avg per match	4	3
1st in	113/192	124/201
%1st in	59%	62%
1st pts	80/113	90/124
%1st pts	71%	73%
2nd pts	39/79	43/77
%2nd pts	49%	56%

Mcdonald scored 12 aces (4 per match). Majchrzak struck 9 aces (3 per match). Mcdonald won 71% points on his first serve. He quite strong on his second serve to win 49% of the points. On the other side, Majchrzak won 73% of the points behind his first serve. He had a solid display on his second serve to win 56% of the points.

How they played the important points

Breaks	Mcdonald	Majchrzak
Won	15	6
Converted	15/33	6/16
% Converted	45%	38%
Conceded	28	19
Saved	22	16
% Saved	79%	84%
Times Broken	6	3

Mackenzie broke his opponents 15 times with a 45% conversion rate. The American conceded his serve 6 times and he saved 79% of the break points that he conceded. Majchrzak broke his opponents 6 times with a 38% conversion rate. Kamil conceded his serve 3 times and he saved 84% of the break points that he conceded.

Mcdonald
	R1 Sell	R2 Gigante	1/4 Svajda	Total
Score	6-3 6-3	6-3 7-5	6-3 6-4
Tot Set	2	2	2	6
Tot Games	18	21	19	58
pts	60-41	80-66	76-66	216-173
Total points	101	146	142	389
Winners	22	31	27	80
%Winners	37%	39%	36%	37%
SERVE
Aces	2	5	5	12
Double Faults	4	2	4	10
1st in	28/48	44/71	41/73	113/192
% 1st in	58%	62%	56%	59%
1st pts	22/28	31/44	27/41	80/113
% 1st pts	79%	70%	66%	71%
2nd pts	10/20	14/27	15/32	39/79
% 2nd pts	50%	52%	47%	49%
Breaks
Won	5	5	5	15
Converted	5/9	5/12	5/12	15/33
Converted %	56%	42%	42%	45%
Conceded	5	10	13	28
Saved	3/5	8/10	11/13	22
Saved %	60%	80%	85%	75%
Times Broken	2	2	2	6

Majchrzak
	R1 Smith	R2 Mmoh	1/4 Bolt	Total
Score	7-63 6-4	7-5 7-5	7-62 1-1 ret.
Tot Set	2	2	2	6
Tot Games	23	24	15	62
pts	71-67	82-74	57-49	210-190
Total points	138	156	106	400
Winners	27	41	22	90
%Winners	38%	50%	39%	43%
SERVE
Aces	3	6	0	9
Double Faults	1	0	2	3
1st in	42/69	53/83	29/49	124/201
% 1st in	61%	64%	59%	62%
1st pts	27/42	41/53	22/29	90/124
% 1st pts	64%	77%	76%	73%
2nd pts	18/27	14/30	11/20	43/77
% 2nd pts	67%	47%	55%	56%
Breaks
Won	2	3	1	6
Converted	2/4	3/8	1/4	6/16
Converted %	50%	38%	25%	38%
Conceded	5	8	6	19
Saved	4/5	7/8	5/6	16
Saved %	80%	88%	83%	84%
Times Broken	1	1	1	3

Tennis Scores in San Diego Challenger

• Ethan QuinnQuinn – Arthur CazauxCazaux (7-5 6-7¹ 6-4) – See score progression
• Mackenzie McdonaldMcdonald – Trevor SvajdaSvajda (6-3 6-4) – See score progression
• Kamil MajchrzakMajchrzak – Alex BoltBolt (7-6² 1-1 ret.) – See score progression
• Eliot SpizzirriSpizzirri – Taro DanielDaniel (6-7² 6-0 6-4) – See score progression
• George Goldhoff/Trey HilderbrandGoldhoff/Trey Hilderbrand – Tristan Boyer/Jamie VanceBoyer/Jamie Vance (6-4 7-5) – See score progression
• Ethan QuinnQuinn – Arthur CazauxCazaux (7-5 6-7(1) 6-4) – See score progression
• Eliot SpizzirriSpizzirri – Taro DanielDaniel (6-7(2) 6-0 6-4) – See score progression
• Mackenzie McdonaldMcdonald – Trevor SvajdaSvajda (6-3 6-4) – See score progression
• Kamil MajchrzakMajchrzak – Alex BoltBolt (7-6(2) 1-1 ret.) – See score progression

Upcoming matches in the draw

• Mackenzie McdonaldMcdonald – Kamil MajchrzakMajchrzak (1-0) – H2H and prediction