John Isner vs Juan Martin del Potro: Head-to-Head Record

John Isner

United States

4–8
12 meetings
Juan Martin del Potro

Argentina

Hard: 3–7Clay: 0–1Grass: 1–0
Weighted by importance & recency
4.9–7.1
The same matches re-weighted by what was at stake and how recently — a Grand Slam final this year counts for more than an early round a decade ago.
John Isner
4–8
Juan Martin del Potro

John Isner and Juan Martin del Potro have met 12 times on the professional tour. Juan Martin del Potro leads the head-to-head 8–4. Their most recent meeting came at US Open in 2018.

John Isner vs Juan Martin del Potro stats comparison

Form

LWLWLLWWWLLast 10LLWWLWWWLW
02026 titles0

Clutch

Under pressure
John IsnerJuan Martin del Potro
Clutch Rating·Dominant
58
88
Break points saved·Even
99
95
Break points won·Dominant
0
79
Deciding sets·Slight edge
89
96
Tiebreaks·Even
95
98

Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About

Serve vs return

Recent form
John Isnerserving94% hold

wins 73% of points on serve vs Juan Martin del Potro

Juan Martin del Potroserving96% hold

wins 77% of points on serve vs John Isner

Serve-dominated — both hold easily, expect tiebreaks

Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About

Set records · last ~30 matches

First sets won·Even
63%
67%
Deciding sets won·Slight edge
46%
40%

Career

Career win rate·Slight edge
60%
71%
16Career titles22
0Grand Slam titles1

Profile

41Age37
208 cmHeight198 cm
RightPlaysRight

Set records use each player's last ~30 completed matches; form shows the last 10 results. Ratings come from the same data that powers the Umpiry Score.

All 12 meetings

Frequently asked questions

Who leads the head-to-head between John Isner and Juan Martin del Potro?

Juan Martin del Potro leads the head-to-head against John Isner 8–4 after 12 meetings.

How many times have John Isner and Juan Martin del Potro played each other?

John Isner and Juan Martin del Potro have played each other 12 times on the professional tour.

When did John Isner and Juan Martin del Potro last play each other?

Their most recent meeting came at US Open in 2018, where Juan Martin del Potro won.