ATP · Head-to-Head Rivalry
Meetings
11
Series
8–3
John Isner first
Last Meeting
Jul 23, 2018
Avg Game Margin
3.9
winner's games minus loser's
John Isner · 83 · Ryan Harrison
20102018
Record by Surface
Hard
3–3
Clay
3–0
Grass
2–0
John Isner in green, Ryan Harrison in blue.
Series shown from John Isner's perspective.
Every John Isner vs Ryan Harrison Meeting
| Date | Tournament | Surface | Winner | Score |
|---|---|---|---|---|
| Jul 23, 2018 | AtlantaFinal | Hard | John Isner | 5-7 6-3 6-4 |
| May 7, 2018 | Madrid MastersR32 | Clay | John Isner | 7-6(1) 7-6(7) |
| Feb 26, 2018 | AcapulcoR32 | Hard | Ryan Harrison | 6-3 7-6(5) |
| Jul 24, 2017 | AtlantaFinal | Hard | John Isner | 7-6(6) 7-6(7) |
| Jul 25, 2016 | Canada MastersR32 | Hard | Ryan Harrison | 7-6(3) 6-7(4) 6-4 |
| Jul 8, 2013 | NewportR32 | Grass | John Isner | 7-6(0) 6-2 |
| May 27, 2013 | Roland GarrosR64 | Clay | John Isner | 5-7 6-7(7) 6-3 6-1 8-6 |
| Apr 8, 2013 | HoustonR32 | Clay | John Isner | 7-6(4) 6-4 |
| Jan 7, 2013 | SydneyR16 | Hard | Ryan Harrison | 6-4 6-4 |
| Jul 9, 2012 | NewportSemifinal | Grass | John Isner | 7-6(4) 6-3 |
| Feb 15, 2010 | MemphisR32 | Hard | John Isner | 6-1 7-5 |
Tour-level meetings back to 1968 where available. Dates reflect the tournament start.
Rating & Ranking
| John Isner | Ryan Harrison | |
|---|---|---|
| — | ATP Rank | — |
| 1595 | Overall Elo | 1540 |
| 1566 | Hard Elo | 1527 |
| 1557 | Clay Elo | 1499 |
| 1557 | Grass Elo | 1491 |
breakPoint Elo starts every player at 1500 and weights matches by tournament importance — values are internally consistent but not comparable to other published Elo scales.
Form & Activity
| John Isner | Ryan Harrison | |
|---|---|---|
| — | 2026 Season | — |
| —0 matches | Last 12 Months | —0 matches |
| 50% | Form (last 5) | 50% |
| — | Form (30 days) | — |
| Aug 28, 2023 | Last Match | Jan 4, 2021 |
Serve & Return
| John Isner | Ryan Harrison | |
|---|---|---|
| 92% | Hold % | 79% |
| 11% | Break % | 18% |
| 21.7% | Ace Rate | 8.8% |
| 2.5% | Double Fault Rate | 4.2% |
| 72% | Serve Pts Won | 63% |
| 30% | Return Pts Won | 34% |
Career rates over each player's tracked matches.
Advanced Stats
Advanced stats are for Pro members
Per-Match Averages
| John Isner | Ryan Harrison | |
|---|---|---|
| 17.2 | Avg Aces | 6.6 |
| 7.3 | Avg Aces Against | 5.7 |
| 1.3 | Avg Breaks | 2.0 |
| 26.6 | Avg Games | 23.5 |
| 565 | Matches | 231 |
Career averages per best-of-3 match; aces against are opponent aces conceded, breaks are service breaks won. Each stat covers the matches where it was tracked.