# 2022 San Marcos Open Aguascalientes – Singles

This was the first edition of the tournament.
Marc-Andrea Hüsler won the title after defeating Juan Pablo Ficovich 6–4, 4–6, 6–3 in the final.

## Seeds

* Andrej Martin (first round)
* Nicolás Jarry (quarterfinals)
* Marc-Andrea Hüsler (champion)
* Ernesto Escobedo (second round)
* Jay Clarke (second round)
* Tim van Rijthoven (first round)
* Federico Gaio (semifinals)
* Juan Pablo Ficovich (final)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| | Filip Jianu | 3 | 6$^4$ | | | | | | |
| 3 | Marc-Andrea Hüsler | 6 | 7$^7$ | | | | | | |
| 3 | Marc-Andrea Hüsler | 6 | 7$^7$ | | 3 | Marc-Andrea Hüsler | 6 | 4 | 6 |
| | | | | | 8 | Juan Pablo Ficovich | 4 | 6 | 3 |
| 7 | Federico Gaio | 7$^8$ | 5 | 4 | 8 | Juan Pablo Ficovich | 4 | 6 | 3 |
| 8 | Juan Pablo Ficovich | 6$^6$ | 7 | 6 | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | A Martin | 6 | 3 | 5 | | | | | | | | | | | | | | |
| Q | A Menéndez Maceiras | 4 | 6 | 7 | Q | A Menéndez Maceiras | 7$^7$ | 7 | | | | | | | | | | |
| Alt | B Tomic | 4 | 7$^7$ | 2 | Alt | B Tomic | 6$^5$ | 5 | | | | | | | | | | |
| WC | J Shang | 6 | 6$^4$ | 1$^r$ | | | | | | Q | A Menéndez Maceiras | 4 | 3 | | | | | |
| Q | N Barrientos | 6 | 6 | | | | | | | | FC Jianu | 6 | 6 | | | | | |
| LL | M Jaziri | 3 | 4 | | Q | N Barrientos | 5 | 2 | | | | | | | | | | |
| | FC Jianu | 6 | 6 | | | FC Jianu | 7 | 6 | | | | | | | | | | |
| 6 | T van Rijthoven | 3 | 4 | | | | | | | | | | | | | FC Jianu | 3 | 6$^4$ |
| 3 | M-A Hüsler | 6 | 5 | 7 | | | | | | | | | | | 3 | M-A Hüsler | 6 | 7$^7$ |
| Alt | V Durasovic | 4 | 7 | 5 | 3 | M-A Hüsler | 3 | 6 | 6 | | | | | | | | | |
| | G Oliveira | 3 | 4 | | | N Mejía | 6 | 3 | 4 | | | | | | | | | |
| | N Mejía | 6 | 6 | | | | | | | 3 | M-A Hüsler | 6$^5$ | 6 | 7$^7$ | | | | |
| | J Lenz | 2 | 6$^4$ | | | | | | | | A Cazaux | 7$^7$ | 3 | 6$^0$ | | | | |
| | A Cazaux | 6 | 7$^7$ | | | A Cazaux | 4 | 6 | 6 | | | | | | | | | |
| | Y Sugita | 7 | 5 | 0 | 5 | J Clarke | 6 | 4 | 1 | | | | | | | | | |
| 5 | J Clarke | 5 | 7 | 6 | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 7 | F Gaio | 6 | 6 | | | | | | | | | | | | | | | |
| | P Jubb | 4 | 1 | | 7 | F Gaio | 6 | 6 | | | | | | | | | | |
| SE | A Bellier | 6$^3$ | 7 | 3 | | D Istomin | 4 | 2 | | | | | | | | | | |
| | D Istomin | 7$^7$ | 5 | 6 | | | | | 7 | F Gaio | 6$^2$ | 6 | 6 | | | | | |
| | S Diez | 6 | 6 | | | | | | | S Diez | 7$^7$ | 2 | 3 | | | | | |
| | R Hijikata | 2 | 4 | | | S Diez | 6 | 7$^7$ | | | | | | | | | | |
| | G Melzer | 3 | 6 | 3 | 4 | E Escobedo | 4 | 6$^3$ | | | | | | | | | | |
| 4 | E Escobedo | 6 | 3 | 6 | | | | | | | | | | 7 | F Gaio | 7$^8$ | 5 | 4 |
| 8 | JP Ficovich | 4 | 6 | 6 | | | | | | | | | | 8 | JP Ficovich | 6$^6$ | 7 | 6 |
| Q | Elmar Ejupovic | 6 | 0 | 3 | 8 | JP Ficovich | 6 | 6 | | | | | | | | | | |
| WC | R Pacheco Méndez | 4 | 4 | | Q | M Zukas | 2 | 3 | | | | | | | | | | |
| Q | Matías Zukas | 6 | 6 | | | | | | 8 | JP Ficovich | 6 | 6 | | | | | | |
| Q | S Mochizuki | 6 | 6 | | | | | | 2 | N Jarry | 3 | 2 | | | | | | |
| Q | A Santillan | 3 | 2 | | Q | S Mochizuki | 2 | 4 | | | | | | | | | | |
| WC | Diego Balderas | 3 | 0 | | 2 | N Jarry | 6 | 6 | | | | | | | | | | |
| 2 | N Jarry | 6 | 6 | | | | | | | | | | | | | | | |