Head to head
1
Carpet
1
Ney Keller's wins on the left · Givaldo Barbosa's on the right · bar lengths share one scale
All meetings (2)
| 1982 | Itaparica | Carpet | R32 | Givaldo Barbosa | 7-6 6-2 |
| 1980 | Sao Paulo | Carpet | R32 | Ney Keller | 6-4 4-6 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.