Head to head
1
Hard
1
1
Clay
0
1
Grass
0
Guido Pella's wins on the left · Marin Cilic's on the right · bar lengths share one scale
All meetings (4)
| 2020 | ATP Cup | Hard | RR | Guido Pella | 7-6(1) 6-3 |
| 2019 | Monte Carlo Masters | Clay | R32 | Guido Pella | 6-3 5-7 6-1 |
| 2018 | Wimbledon | Grass | R64 | Guido Pella | 3-6 1-6 6-4 7-6(3) 7-5 |
| 2015 | US Open | Hard | R128 | Marin Cilic | 6-3 7-6(3) 7-6(3) |
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.