Head to head
Rivalry summary
Alvaro Betancur and Zan Guerry met 2 times on the ATP tour between 1977 and 1978. Alvaro Betancur leads the head-to-head 2–0 against Zan Guerry. By surface, Betancur leads 2–0 on clay.
2
Clay
0
Alvaro Betancur's wins on the left · Zan Guerry's on the right · bar lengths share one scale
All meetings (2)
| 1978 | Cincinnati | Clay | R64 | Alvaro Betancur | 6-7 6-4 6-3 |
| 1977 | Santiago | Clay | R32 | Alvaro Betancur | 6-2 6-0 |
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.