John Isner vs Marcos Giron Head-to-Head Stats, Results & Performance Comparison
Wojtek Kolan
HEAD TO HEAD
J. Isner vs M. Giron
John Isner
USA
w
w
w
l
l
w
l
l
w
l
2
Win
2
Played
0
Win
40
Age
32
6'10" (208 cm)
Height
5'11" (180 cm)
660
C. Rank
67
8
Best Rank
37
18
Total Titles
1
0
YTD Titles
0
$15.1M
Career Money
$3.5M
Right-Handed
Plays
Right-Handed
Marcos Giron
USA
l
l
l
w
l
l
l
w
w
l
2
Win
2
Played
0
Win
40
Age
32
6'10" (208 cm)
Height
5'11" (180 cm)
660
C. Rank
67
8
Best Rank
37
18
Total Titles
1
0
YTD Titles
0
$15.1M
Career Money
$3.5M
Right-Handed
Plays
Right-Handed
Head-to-head: Isner 2 - 0 Giron
They have played 5 sets in total, with John Isner winning 5 and Marcos Giron winning 0. The last match between John Isner and Marcos Giron was at the Abierto Mexicano Telcel - Acapulco, 26-02-2020, Round: R2, Surface: Hard, with John Isner getting the victory 6-3 7-6(4).
| Players | Head To Head Match Wins |
|---|---|
| Isner | 2 |
| Giron | 0 |
Last 2 H2H Matches:
(R2) Abierto Mexicano Telcel - Acapulco(02-26-20)
John Isner
6
7
Marcos Giron
3
6
(R1) U.S. Open - New York(08-26-14)
John Isner
7
6
7
Marcos Giron
6
2
6
J. Isner vs M. Giron H2H Profile
J. Isner vs M. Giron Match Preview:
- Second serve performance recent form: In recent form (last 6 months), John Isner has won 0% of points on their second serve, while Marcos Giron has won 46.05%. There is a high correlation between this stat and match prediction accuracy.
- Return game stats recent form: Return stats show John Isner, in recent form, has won 0% of their opponent's second serve points, while Marcos Giron has won 45.60%. The same stats for first serve returns are 0% and 23.92% respectively and this has a high correlation to pick who is favored in this H2H matchup.
- Under pressure analysis: John Isner has saved 0% of breakpoints in recent form, whereas Marcos Giron has saved 54.73% which is a useful statistic for in-game betting predictions.
- Performance overview: Over the last year John Isner has won 0% of matches played (W/L 0/0), with Marcos Giron winning 45.10% (W/L 23/28) that gives us an overall head-to head prediction overview.
- Best surface: John Isner has their best career surface win % on Grass, winning 66% (W/L 56/29), and worse career win % on I.hard, winning 54% (W/L 76/66). Marcos Giron has their best career surface win % on I.hard, winning 66% (W/L 75/53), and worse career win % on Clay, winning 42% (W/L 35/49).
- Player level: In the last year, John Isner has played most of their matches on the N/A, winning 0% of matches (W/L 0/0), where as Marcos Giron has played most of their matches on the Main tour, winning 44.00% of matches (W/L 11/14). 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 2 times before with John Isner winning 2 times and Marcos Giron being victorious 0 times. They have played 5 sets in total, with John Isner winning 5 and Marcos Giron winning 0.
- The last match between John Isner and Marcos Giron was at the Abierto Mexicano Telcel - Acapulco, 26-02-2020, Round: R2, Surface: Hard, with John Isner getting the victory 6-3 7-6(4).
- Head to head match duration: In past head to head matches, the average match time between these players has been 1:46:26.
- Opponent quality stats: Over the last 12 months, John Isner has played against opponents with an average rank of 0 while Marcos Giron has played against players with an average rank of 53.1.
- Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, John Isner has won 0% of deciding sets over the last 12 months, while Marcos Giron has won 33% in all matches played on tour.
- Break point conversion: In recent form, John Isner has converted 0% of breakpoint opportunities, and Marcos Giron has converted 30.47% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.
John Isner vs Marcos Giron Editorial Preview By TennisTipster88.
J. Isner vs M. Giron H2H Stats Used In Our Predictions
| Stats | ||
|---|---|---|
| 2 | H2H Matches Won | 0 |
| 5 | Sets Won | 0 |
| 33 | Games Won | 23 |
| 54 | Aces (Total) | 16 |
| 7 | Total Double Faults | 11 |
| 1:46:26 | Average Match Time | 1:46:26 |
| 72% (120/166) | 1st Serve % | 68% (128/187) |
| 85% (102/120) | 1st Serve Win % | 75% (96/128) |
| 63% (29/46) | 2nd Serve Win % | 46% (27/59) |
| 16% (3/19) | Break Pts Won % | 0% (0/5) |
| 34% (64/187) | Return Points Win % | 21% (35/166) |
| 100% (1/1) | Best‑of‑3 Win % | 0% (0/1) |
| 100% (1/1) | Best‑of‑5 Win % | 0% (0/1) |
| 100% (2/2) | 1st Set Won, Won Match | 0% (0/0) |
| 0% (0/2) | 1st Set Won, Lost Match | 0% (0/0) |
| 0% (0/0) | 1st Set Lost, Won Match | 0% (0/2) |
Recent Performance Stats
2nd Serve Win %: Isner 0%, Giron 51%.
Opp 2nd Serve Pts Won: Isner 0%, Giron 50%.
Break Points Saved %: Isner 0%, Giron 62%.
J. Isner Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
| U.S. Open - New York - 28-08-2023 | ||||
R2 Michael MmohM. Mmoh | L | 3-6 4-6 7-6(3) 6-4 7-6(7) | ||
R1  Facundo Diaz AcostaF. Diaz | W | 6-4 6-3 7-6(1) | ||
| Western & Southern Open - Cincinnati - 14-08-2023 | ||||
R1  Jordan ThompsonJ. Thompson | L | 7-6(5) 7-6(2) | ||
| Abierto de Tenis Mifel - Los Cabos - 31-07-2023 | ||||
R2  Stefanos TsitsipasS. Tsitsipas | L | 6-2 6-4 | ||
R1 Rinky HijikataR. Hijikata | W | 6-2 7-6(4) | ||
M. Giron Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
 Hellenic Championship - Athens - 03-11-2025 | ||||
QF  Yannick HanfmannY. Hanfmann | L | 7-6(3) 6-4 | ||
R2 Brandon NakashimaB. Nakashima | W | 7-6(7) 6-1 | ||
R1  Pedro Martinez PorteroP. Martinez | W | 6-4 6-1 | ||
| Rolex Paris Masters - Paris - 27-10-2025 | ||||
R1 Daniel AltmaierD. Altmaier | L | 6-2 7-6(5) | ||
| Swiss Indoors Basel - Basel - 20-10-2025 | ||||
R1  Denis ShapovalovD. Shapovalov | L | 6-7(3) 6-0 7-6(4) | ||
J. Isner vs M. Giron Stats Breakdown Vs All H2H Opponents
| Stats | ||
|---|---|---|
| 61.45% (561/352) | YTD Win/Loss | 56.46% (402/310) |
| 58.40% (1422/1013) | Sets Win/Loss | 55.26% (962/779) |
| 51.54% (13780/12956) | Games Win/Loss | 51.84% (8816/8190) |
| 64.64% (340/186) | Hard Win/Loss | 58.57% (263/186) |
| 55.41% (87/70) | Clay Win/Loss | 41.67% (35/49) |
| 53.79% (78/67) | Indoor Hard W/L | 58.46% (76/54) |
| 65.88% (56/29) | Grass Win/Loss | 57.14% (28/21) |
| 1.14 | Aces Per Game | 0.36 |
| 14970 | Aces Total | 3016 |
| 0.14 | Double Faults Per Game | 0.17 |
| 1857 | Total Double Faults | 1411 |
| 1:25:12 | Average Match Time | 1:30:23 |
| 485.39 | Average Opponent Rank | 445.4 |
| 69% (48323/70140) | 1st Serve % | 61% (28908/47035) |
| 79% (38033/48323) | 1st Serve Win % | 72% (20749/28908) |
| 56% (12267/21947) | 2nd Serve Win % | 51% (9258/18126) |
| 30% (1160/3810) | Break Points Won % (Total) | 39% (1718/4394) |
| 30% (20799/70185) | Return Points Win % | 38% (18281/48306) |
| 60.00% (87/58) | Slam W/L | 38.78% (19/30) |
| 60.49% (147/96) | Masters W/L | 50.98% (52/50) |
| 44.07% (26/33) | Cups W/L | 100.00% (1/0) |
| 63.85% (242/137) | Main Tour W/L | 53.81% (106/91) |
| 0.00% (0/3) | Tour Finals W/L | 0% (0/0) |
| 69.84% (44/19) | Challenger W/L | 58.14% (125/90) |
| 70.59% (12/5) | Futures W/L | 67.59% (98/47) |
| 62% (464/747) | Best of 3 Sets Win % | 58% (383/664) |
| 59% (97/164) | Best of 5 Sets Win % | 37% (16/43) |
| 60% (558/933) | Tiebreaks Win % (Total) | 52% (155/299) |
| 57% (204/357) | Deciding Set Win % | 48% (124/257) |
| 84% (541/456) | 1st Set Won, Won Match | 82% (410/338) |
| 16% (541/85) | 1st Set Won, Lost Match | 17% (410/70) |
| 29% (371/106) | 1st Set Lost, Won Match | 21% (302/62) |
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