# 2018 Tennis Championships of Honolulu – Singles

This was the first edition of the tournament.
Nao Hibino won the title, defeating Jessica Pegula in the final, 6–0, 6–2

## Seeds

* Nao Hibino (champion)
* Grace Min (second round)
* Ashley Kratzer (first round)
* Danielle Lao (semifinals)
* Misaki Doi (quarterfinals)
* Asia Muhammad (quarterfinals)
* Jacqueline Cako (first round)
* Emina Bektas (semifinals)

## 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 |
| 1 | Nao Hibino | 3 | 7 | 7 | | | | |
| 4 | Danielle Lao | 6 | 5 | 5 | | | | |
| 4 | Danielle Lao | 6 | 5 | 5 | 1 | Nao Hibino | 6 | 6 |
| | | | | | | Jessica Pegula | 0 | 2 |
| | Jessica Pegula | 6 | 6 | | | Jessica Pegula | 0 | 2 |
| 8 | Emina Bektas | 3 | 4 | | | | | |

### 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 | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | N Hibino | 4 | 6 | 6 | | | | | | | | | | | | | | |
| | O Tjandramulia | 6 | 4 | 2 | 1 | N Hibino | 6 | 6 | | | | | | | | | | |
| WC | A Lahey | 6$^5$ | 6 | 6$^6$ | WC | A Rodgers | 0 | 2 | | | | | | | | | | |
| WC | A Rodgers | 7$^7$ | 3 | 7$^8$ | | | | | | 1 | N Hibino | 6 | 7$^9$ | | | | | |
| | UM Arconada | 6 | 1 | 7$^8$ | | | | | | | UM Arconada | 3 | 6$^7$ | | | | | |
| | S Akita | 0 | 6 | 6$^6$ | | UM Arconada | 6 | 6 | | | | | | | | | | |
| Q | A Ghițescu | 6 | 7$^7$ | | Q | A Ghițescu | 2 | 2 | | | | | | | | | | |
| 7 | J Cako | 4 | 6$^4$ | | | | | | | | | | | 1 | N Hibino | 3 | 7 | 7 |
| 4 | D Lao | 6 | 6 | | | | | | | | | | | 4 | D Lao | 6 | 5 | 5 |
| | A Bai | 4 | 3 | | 4 | D Lao | 6 | 2 | 6 | | | | | | | | | |
| | T Moore | 3 | 7 | 3 | Q | C Harrison | 3 | 6 | 1 | | | | | | | | | |
| Q | C Harrison | 6 | 5 | 6 | | | | | | 4 | D Lao | 6 | 6 | | | | | |
| Q | D Schaefer | 6 | 5 | 3 | | | | | | 6 | A Muhammad | 4 | 3 | | | | | |
| | N Kolar | 1 | 7 | 6 | | N Kolar | 4 | 2 | | | | | | | | | | |
| WC | A Nefedova | 2 | 2 | | 6 | A Muhammad | 6 | 6 | | | | | | | | | | |
| 6 | A Muhammad | 6 | 6 | | | | | | | | | | | | | | | |

### Bottom 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 |
| 5 | M Doi | 6 | 6 | | | | | | | | | | | | | | | |
| | J Elbaba | 2 | 2 | | 5 | M Doi | 6 | 6 | | | | | | | | | | |
| | H Kaji | 4 | 1 | | | N Hanatani | 4 | 2 | | | | | | | | | | |
| | N Hanatani | 6 | 6 | | | | | | | 5 | M Doi | 6 | 3 | 1 | | | | |
| Q | D Starr | 0 | 1 | | | | | | | | J Pegula | 3 | 6 | 6 | | | | |
| | C Simmonds | 6 | 6 | | | C Simmonds | 3 | 5 | | | | | | | | | | |
| | J Pegula | 3 | 6 | 6 | | J Pegula | 6 | 7 | | | | | | | | | | |
| 3 | A Kratzer | 6 | 0 | 2 | | | | | | | | | | | | J Pegula | 6 | 6 |
| 8 | E Bektas | 6 | 6 | | | | | | | | | | | | 8 | E Bektas | 3 | 4 |
| | Q Gleason | 3 | 2 | | 8 | E Bektas | 6 | 7 | | | | | | | | | | |
| | E Arango | 7 | 6 | | | E Arango | 2 | 5 | | | | | | | | | | |
| WC | L Lutzeier | 5 | 2 | | | | | | | 8 | E Bektas | 6 | 6 | | | | | |
| | M Inoue | 7 | 5 | 0$^r$ | | | | | | | M Minokoshi | 3 | 2 | | | | | |
| | M Minokoshi | 5 | 7 | 5 | | M Minokoshi | 4 | 6 | 7 | | | | | | | | | |
| | J Jakšić | 3 | 2 | | 2 | G Min | 6 | 3 | 5 | | | | | | | | | |
| 2 | G Min | 6 | 6 | | | | | | | | | | | | | | | |