Head to head
1
Hard
0
1
Grass
0
Mike Estep's wins on the left · Nicholas Kalogeropoulos's on the right · bar lengths share one scale
All meetings (2)
| 1973 | Salt Lake City | Hard | R16 | Mike Estep | 7-6 2-6 7-5 |
| 1972 | Manchester | Grass | R64 | Mike Estep | 8-6 6-2 |
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.