Head to head
4
Hard
1
1
Grass
0
John Isner's wins on the left · Milos Raonic's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (6)
| 2018 | US Open | Hard | R16 | John Isner | 3-6 6-3 6-4 3-6 6-2 |
| 2018 | Wimbledon | Grass | QF | John Isner | 6-7(5) 7-6(7) 6-4 6-3 |
| 2016 | Cincinnati Masters | Hard | R32 | Milos Raonic | 7-6(5) 7-6(5) |
| 2015 | Miami Masters | Hard | R16 | John Isner | 6-7(3) 7-6(6) 7-6(5) |
| 2013 | Cincinnati Masters | Hard | R16 | John Isner | 7-6(5) 6-4 |
| 2012 | Canada Masters | Hard | QF | John Isner | 7-6(9) 6-4 |
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.