# 2022 San Diego Open – Men's singles

Brandon Nakashima defeated Marcos Giron in the final, 6–4, 6–4 to win the singles tennis title at the 2022 San Diego Open. It was his first ATP Tour title, and he won it in his hometown of San Diego.
Casper Ruud was the reigning champion, but competed at the Laver Cup instead.

## Seeds

The top four seeds received a bye into the second round.
* Dan Evans (semi-finals)
* Jenson Brooksby (quarter-finals)
* Marcos Giron (final)
* Pedro Martínez (second round)
* Brandon Nakashima (champion)
* Alejandro Tabilo (second round)
* James Duckworth (quarter-finals)
* J. J. Wolf (second round)

## 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

| Semi-finals | Semi-finals | Semi-finals | Semi-finals | Final | Final | Final | Final |
| 1 | Dan Evans | 3 | 5 | | | | |
| 3 | Marcos Giron | 6 | 7 | | | | |
| 3 | Marcos Giron | 6 | 7 | 3 | Marcos Giron | 4 | 4 |
| | | | | 5 | Brandon Nakashima | 6 | 6 |
| 5 | Brandon Nakashima | 6 | 7$^7$ | 5 | Brandon Nakashima | 6 | 6 |
| | Christopher O'Connell | 4 | 6$^3$ | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarter-finals | Quarter-finals | Quarter-finals | Quarter-finals | Semi-finals | Semi-finals | Semi-finals | Semi-finals |
| | | | | | 1 | D Evans | 6 | 6 | | | | | | | | |
| | T Daniel | 6 | 6 | | | T Daniel | 4 | 4 | | | | | | | | |
| Q | Em Nava | 4 | 3 | | | | | | 1 | D Evans | 6 | 6 | | | | |
| WC | B Holt | 7 | 6$^5$ | 3 | | | | | | C Lestienne | 1 | 3 | | | | |
| | C Lestienne | 5 | 7$^7$ | 6 | | C Lestienne | 6 | 6 | | | | | | | | |
| | S Johnson | 5 | 2 | | 6 | A Tabilo | 1 | 3 | | | | | | | | |
| 6 | A Tabilo | 7 | 6 | | | | | | | | | | 1 | D Evans | 3 | 5 |
| | | | | | | | | | | | | | 3 | M Giron | 6 | 7 |
| | | | | | 3 | M Giron | 6 | 6 | | | | | | | | |
| | TM Etcheverry | 7$^8$ | 6 | | | TM Etcheverry | 4 | 3 | | | | | | | | |
| Q | F Mena | 6$^6$ | 3 | | | | | | 3 | M Giron | 7$^7$ | 6 | | | | |
| Q | C Eubanks | 4 | 4 | | | | | | 7 | J Duckworth | 6$^5$ | 3 | | | | |
| Q | M Krueger | 6 | 6 | | Q | M Krueger | 3 | 6$^4$ | | | | | | | | |
| | A Popyrin | 5 | 6 | 1 | 7 | J Duckworth | 6 | 7$^7$ | | | | | | | | |
| 7 | J Duckworth | 7 | 4 | 6 | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarter-finals | Quarter-finals | Quarter-finals | Quarter-finals | Quarter-finals | Semi-finals | Semi-finals | Semi-finals | Semi-finals |
| 5 | B Nakashima | 7 | 7$^7$ | | | | | | | | | | | | | | | |
| WC | Z Svajda | 5 | 6$^5$ | | 5 | B Nakashima | 6 | 6 | | | | | | | | | | |
| | D Kudla | 6 | 6 | | | D Kudla | 3 | 4 | | | | | | | | | | |
| WC | F Verdasco | 3 | 3 | | | | | | | 5 | B Nakashima | 6 | 4 | 6 | | | | |
| | M-A Hüsler | 3 | 5 | | | | | | | | DE Galán | 3 | 6 | 4 | | | | |
| | DE Galán | 6 | 7 | | | DE Galán | 5 | 6 | 6 | | | | | | | | | |
| | | | | | 4 | P Martínez | 7 | 1 | 4 | | | | | | | | | |
| | | | | | | | | | | | | | | | 5 | B Nakashima | 6 | 7$^7$ |
| 8 | J. J. Wolf | 6 | 7$^8$ | | | | | | | | | | | | | C O'Connell | 4 | 6$^3$ |
| | S Kozlov | 2 | 6$^6$ | | 8 | J. J. Wolf | 3 | 5 | | | | | | | | | | |
| | C O'Connell | 4 | 6 | 0 | | C O'Connell | 6 | 7 | | | | | | | | | | |
| | J Kubler | 6 | 3 | 0$^r$ | | | | | | | C O'Connell | 6 | 4 | 7 | | | | |
| | H Laaksonen | 0 | 2 | | | | | | | 2 | J Brooksby | 4 | 6 | 5 | | | | |
| | M McDonald | 6 | 6 | | | M McDonald | 4 | 6 | 2 | | | | | | | | | |
| | | | | | 2 | J Brooksby | 6 | 3 | 6 | | | | | | | | | |

## Qualifying
### Seeds

* Juan Pablo Ficovich (first round)
* Facundo Mena (qualified)
* Christopher Eubanks (qualified)
* Emilio Nava (qualified)
* Mitchell Krueger (qualified)
* Ernesto Escobedo (qualifying competition)
* Aleksandar Kovacevic (qualifying competition)
* Sebastian Fanselow (first round)

### Qualifiers

* Mitchell Krueger
* Facundo Mena
* Christopher Eubanks
* Emilio Nava

### Qualifying draw
#### First qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Juan Pablo Ficovich | 3 | 1 | | | | | | |
| | Govind Nanda | 6 | 6 | | | | | | |
| | Govind Nanda | 6 | 6 | | | Govind Nanda | 4 | 7 | 5 |
| | | | | | 5 | Mitchell Krueger | 6 | 5 | 7 |
| WC | Hudson Rivera | 6 | 1 | 2 | 5 | Mitchell Krueger | 6 | 5 | 7 |
| 5 | Mitchell Krueger | 3 | 6 | 6 | | | | | |

#### Second qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Facundo Mena | 7$^7$ | 7$^7$ | | | | | |
| | Keegan Smith | 6$^1$ | 6$^2$ | | | | | |
| | Keegan Smith | 6$^1$ | 6$^2$ | | 2 | Facundo Mena | 6 | 6 |
| | | | | | | Marek Gengel | 3 | 4 |
| | Marek Gengel | 6 | 3 | 6 | | Marek Gengel | 3 | 4 |
| 8 | Sebastian Fanselow | 2 | 6 | 0 | | | | |

#### Third qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Christopher Eubanks | 6 | 7$^7$ | | | | | |
| WC | Alafia Ayeni | 1 | 6$^3$ | | | | | |
| WC | Alafia Ayeni | 1 | 6$^3$ | | 3 | Christopher Eubanks | 7$^7$ | 7$^9$ |
| | | | | | 6 | Ernesto Escobedo | 6$^5$ | 6$^7$ |
| PR | Bradley Klahn | 6 | 6$^6$ | 2 | 6 | Ernesto Escobedo | 6$^5$ | 6$^7$ |
| 6 | Ernesto Escobedo | 3 | 7$^8$ | 6 | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Emilio Nava | 6 | 6 | | | | |
| Alt | Gage Brymer | 1 | 1 | | | | |
| Alt | Gage Brymer | 1 | 1 | 4 | Emilio Nava | 7 | 7$^7$ |
| | | | | 7 | Aleksandar Kovacevic | 5 | 6$^4$ |
| | Giovanni Oradini | 6$^5$ | 2 | 7 | Aleksandar Kovacevic | 5 | 6$^4$ |
| 7 | Aleksandar Kovacevic | 7$^7$ | 6 | | | | |