Marcel Zielinski vs James O'Brien Head-to-Head Stats, Results & Performance Comparison

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
M. Zielinski vs J. O'Brien

Marcel Zielinski

GER

1

Win

Played

0

Win

Age

Height

718

C. Rank

700

Best Rank

Total Titles

YTD Titles

Career Money

Plays

James O'Brien

AUS

1

Win

Played

0

Win

Age

Height

718

C. Rank

700

Best Rank

Total Titles

YTD Titles

Career Money

Plays

Head-to-head: Zielinski 1 - 0 O'Brien

They have played 2 sets in total, with Marcel Zielinski winning 2 and James O'Brien winning 0. The last match between Marcel Zielinski and James O'Brien was at the M15 Antalya, 20-04-2025, Round: Q1, Surface: Clay, with Marcel Zielinski getting the victory 6-4 6-3.

Players	Head To Head Match Wins
Zielinski	1
O'Brien	0

Last 1 H2H Matches:

(Q1) M15 Antalya(04-20-25)

Stats

Marcel Zielinski

James O'Brien

M. Zielinski vs J. O'Brien H2H Profile

M. Zielinski	Stats	J. O'Brien
$0	Career Prize Money	$0
60.59% (123-80)	Career Total W/L	25.93% (7-20)
1	Clay	0
1	Total H2H Matches	0
0% (0-0)	YTD Win/Loss	0% (0-0)

M. Zielinski vs J. O'Brien Match Preview:

Second serve performance recent form: In recent form (last 6 months), Marcel Zielinski has won 41.43% of points on their second serve, while James O'Brien has won 0%. There is a high correlation between this stat and match prediction accuracy.
Return game stats recent form: Return stats show Marcel Zielinski, in recent form, has won 44.50% of their opponent's second serve points, while James O'Brien has won 0%. The same stats for first serve returns are 35.38% and 0% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Marcel Zielinski has saved 50.00% of breakpoints in recent form, whereas James O'Brien has saved 0% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Marcel Zielinski has won 70.42% of matches played (W/L 50/21), with James O'Brien winning 25.00% (W/L 2/6) that gives us an overall head-to head prediction overview.
Best surface: Marcel Zielinski has their best career surface win % on Hard, winning 64% (W/L 7/4), and worse career win % on Clay, winning 60% (W/L 116/76). James O'Brien has their best career surface win % on Hard, winning 64% (W/L 4/10), and worse career win % on Clay, winning 23% (W/L 3/10).
Player level: In the last year, Marcel Zielinski has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 70.42% of matches (W/L 50/21), where as James O'Brien has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 25.00% of matches (W/L 2/6). When comparing stats between players to predict the favorite, it is of course all relative to the event level they have been playing at.
Direct H2H matches: They have played 1 times before with Marcel Zielinski winning 1 times and James O'Brien being victorious 0 times. They have played 2 sets in total, with Marcel Zielinski winning 2 and James O'Brien winning 0.
The last match between Marcel Zielinski and James O'Brien was at the M15 Antalya, 20-04-2025, Round: Q1, Surface: Clay, with Marcel Zielinski getting the victory 6-4 6-3.
Head to head match duration: In past head to head matches, the average match time between these players has been 0:0:0.
Opponent quality stats: Over the last 12 months, Marcel Zielinski has played against opponents with an average rank of 301.3 while James O'Brien has played against players with an average rank of 89.75.
Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Marcel Zielinski has won 75% of deciding sets over the last 12 months, while James O'Brien has won 0% in all matches played on tour.
Break point conversion: In recent form, Marcel Zielinski has converted 41.41% of breakpoint opportunities, and James O'Brien has converted 0% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.

Marcel Zielinski vs James O'Brien Editorial Preview By TennisTipster88.

M. Zielinski vs J. O'Brien H2H Stats Used In Our Predictions

M. Zielinski	Stats	J. O'Brien
1	H2H Matches Won	0
2	Sets Won	0
12	Games Won	7
0:0:0	Average Match Time	0:0:0
100% (1/1)	Best‑of‑3 Win %	0% (0/1)
100% (1/1)	1st Set Won, Won Match	0% (0/0)
0% (0/1)	1st Set Won, Lost Match	0% (0/0)
0% (0/0)	1st Set Lost, Won Match	0% (0/1)

Recent Performance Stats

M. Zielinski Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
M25 Antalya - 24-11-2025
R2 Stefan PopovicS. Popovic	W	6-4 6-4	Stats
R1 Michel HoppM. Hopp	W	2-6 6-3 6-2	Stats
M25 Antalya - 17-11-2025
R2 Stefan PopovicS. Popovic	L	6-2 6-4	Stats
R1 Dragos Nicolae CazacuD. Nicolae	W	6-7(2) 7-6(9) 6-3	Stats
M15 San Gregorio di Catania - 10-11-2025
R1 Jeremy GschwendtnerJ. Gschwendtner	L	4-6 7-6(4) 6-2	Stats

View All

J. O'Brien Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
M15 Brisbane - 11-08-2025
Q2 Stefan StorchS. Storch	L	4-6 6-2 10-1	Stats
Q1 Pratik NavinP. Navin	W	6-4 6-1	Stats
M15 Antalya - 21-04-2025
Q1 Marcel ZielinskiM. Zielinski	L	6-4 6-3	Stats
M25 Antalya - 07-04-2025
Q2 Maksim ShinM. Shin	L	6-2 6-0	Stats
Q1 Ritesh DubeyR. Dubey	W	6-0 6-0	Stats

View All

M. Zielinski vs J. O'Brien Stats Breakdown Vs All H2H Opponents

M. Zielinski	Stats	J. O'Brien
60.59% (123/80)	YTD Win/Loss	25.93% (7/20)
58.82% (260/182)	Sets Win/Loss	32.79% (20/41)
53.89% (2140/1831)	Games Win/Loss	42.81% (244/326)
63.64% (7/4)	Hard Win/Loss	28.57% (4/10)
60.42% (116/76)	Clay Win/Loss	23.08% (3/10)
0.06	Aces Per Game	0.02
125	Aces Total	6
0.15	Double Faults Per Game	0.07
293	Total Double Faults	19
1:17:37	Average Match Time	1st Match
395.19	Average Opponent Rank	223.7
59% (5736/9739)	1st Serve %	61% (149/246)
59% (3410/5736)	1st Serve Win %	59% (88/149)
50% (2016/4004)	2nd Serve Win %	39% (38/97)
49% (573/1175)	Break Points Won % (Total)	62% (8/13)
45% (4305/9536)	Return Points Win %	37% (72/197)
0.00% (0/4)	Challenger W/L	0% (0/0)
61.81% (123/76)	Futures W/L	25.93% (7/20)
61% (121/200)	Best of 3 Sets Win %	23% (6/26)
47% (16/34)	Tiebreaks Win % (Total)	40% (2/5)
59% (23/39)	Deciding Set Win %	13% (1/8)
94% (117/110)	1st Set Won, Won Match	50% (12/6)
6% (117/7)	1st Set Won, Lost Match	50% (12/6)
15% (86/13)	1st Set Lost, Won Match	7% (15/1)