Head to head
Rivalry summary
John Isner and Marcos Giron met 2 times on the ATP tour between 2014 and 2020. John Isner leads the head-to-head 2–0 against Marcos Giron. By surface, Isner leads 2–0 on hard.
2
Hard
0
John Isner's wins on the left · Marcos Giron's on the right · bar lengths share one scale
All meetings (2)
| 2020 | Acapulco | Hard | R16 | John Isner | 6-3 7-6(4) |
| 2014 | US Open | Hard | R128 | John Isner | 7-6(5) 6-2 7-6(2) |
Methodology
Head-to-head totals and surface splits exclude walkovers (no match was played), which follows ATP convention — walkover meetings still appear in the match list. The momentum chart plots the running lead across all counted meetings, oldest to newest.