Head to head
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Hard
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1
Clay
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John Isner's wins on the left · Thomaz Bellucci's on the right · bar lengths share one scale
All meetings (4)
| 2017 | Miami Masters | Hard | R64 | John Isner | 7-5 7-6(5) |
| 2015 | Madrid Masters | Clay | R32 | John Isner | 7-6(5) 6-7(11) 6-1 |
| 2013 | Davis Cup WG R1: USA vs BRA | Hard | RR | Thomaz Bellucci | 2-6 6-4 6-7(7) 6-4 6-3 |
| 2010 | Rome Masters | Clay | R32 | Thomaz Bellucci | 7-6(7) 7-5 |
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.