Head to head
1
Clay
0
0
Grass
1
Birger Andersson's wins on the left · Mark Farrell's on the right · bar lengths share one scale
All meetings (2)
| 1975 | Nottingham | Grass | R64 | Mark Farrell | 3-6 6-4 6-4 |
| 1975 | Barcelona-2 | Clay | R32 | Birger Andersson | 6-3 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.