01/By surface
each with its own count, at equal weight
Hard
1-0
N. leads 1-0 in 1 meeting on hard
Clay
2-0
N. leads 2-0 in 2 meetings on clay
Grass
Never on grass
no meeting on this surface
02/Every meeting
3 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, N. first |
|---|---|---|---|---|---|---|
| Feb 12, 2014 | Copa ClaroATP250 | clay | 1st round | Almagro N. | 6-2, 7-5 | 18 v 111 |
| Oct 3, 2013 | Rakuten Japan Open Tennis ChampionshipsATP500 | hard | 2nd round | Almagro N. | 6-4, 6-2 | 17 v 53 |
| Mar 1, 2013 | Abierto MexicanoATP500 | clay | quarterfinal | Almagro N. | 6-3, 6-4 | 12 v 41 |
A record, never a share of meetings. Main-draw singles since 2013; a meeting ended by retirement is counted with the sets that were played and marked; a walkover is listed and counted in neither column. Almagro N. and Zeballos H. each carry the table against every opponent faced.