# 2024 Matsuyama Challenger – Singles

Luca Nardi was the defending champion but chose not to defend his title.
Nicolas Moreno de Alboran won the title after defeating Alex Bolt 7–6$^{(7–4)}$, 6–2 in the final.

## Seeds

* Taro Daniel (withdrew)
* Mattia Bellucci (withdrew)
* Tseng Chun-hsin (first round)
* Mackenzie McDonald (withdrew)
* Nicolas Moreno de Alboran (champion)
* Matteo Gigante (first round)
* Yasutaka Uchiyama (second round, retired)
* Térence Atmane (quarterfinals)

## 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 |
| | Yosuke Watanuki | 3 | 6 | 3 | | | | |
| | Alex Bolt | 6 | 4 | 6 | | | | |
| | Alex Bolt | 6 | 4 | 6 | | Alex Bolt | 6$^4$ | 2 |
| | | | | | 5 | Nicolas Moreno de Alboran | 7$^7$ | 6 |
| 5 | Nicolas Moreno de Alboran | 7$^7$ | 6 | | 5 | Nicolas Moreno de Alboran | 7$^7$ | 6 |
| | Alexander Blockx | 6$^5$ | 2 | | | | | |

### 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 |
| Q | K Isomura | 6 | 6 | | | | | | | | | | | | | | | |
| | J Rodionov | 4 | 3 | | Q | K Isomura | 6 | 5 | 6 | | | | | | | | | |
| WC | R Sakamoto | 1 | 6$^3$ | | | E Ymer | 3 | 7 | 3 | | | | | | | | | |
| | E Ymer | 6 | 7$^7$ | | | | | | | Q | K Isomura | 0 | 5 | | | | | |
| | Y Watanuki | 5 | 6 | 6 | | | | | | | Y Watanuki | 6 | 7 | | | | | |
| Q | Y Zhou | 7 | 3 | 3 | | Y Watanuki | 6 | 6 | | | | | | | | | | |
| LL | H Moriya | 6 | 6 | | LL | H Moriya | 2 | 0 | | | | | | | | | | |
| 6 | M Gigante | 0 | 4 | | | | | | | | | | | | Y Watanuki | 3 | 6 | 3 |
| 3 | C-h Tseng | 2 | 2 | | | | | | | | | | | | A Bolt | 6 | 4 | 6 |
| | C Wong | 6 | 6 | | | C Wong | 6$^5$ | 2 | | | | | | | | | | |
| | M Dodig | 2 | 0$^r$ | | | A Bolt | 7$^7$ | 6 | | | | | | | | | | |
| | A Bolt | 6 | 3 | | | | | | | | A Bolt | 6 | 4 | 6 | | | | |
| LL | Shintaro Imai | 6 | 3 | 6 | | | | | | 8 | T Atmane | 1 | 6 | 3 | | | | |
| | Y Demin | 4 | 6 | 1 | LL | S Imai | 4 | 3 | | | | | | | | | | |
| WC | Sho Katayama | 1 | 2 | | 8 | T Atmane | 6 | 6 | | | | | | | | | | |
| 8 | T Atmane | 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 5 | N Moreno de Alboran | 6 | 7 | | | | | | | | | | | | | | |
| | T Schoolkate | 4 | 5 | | 5 | N Moreno de Alboran | 6 | 6 | | | | | | | | | |
| Q | J McCabe | 6$^2$ | 6 | 6 | Q | J McCabe | 4 | 3 | | | | | | | | | |
| Q | B Paire | 7$^7$ | 4 | 4 | | | | | | 5 | N Moreno de Alboran | 6 | 6 | | | | |
| | F Cinà | 6 | 6 | | | | | | | | F Cinà | 3 | 4 | | | | |
| Q | D Sweeny | 2 | 4 | | | F Cinà | 5 | 6 | 6 | | | | | | | | |
| | L Tu | 1 | 6 | 6 | | L Tu | 7 | 4 | 3 | | | | | | | | |
| Q | Alafia Ayeni | 6 | 3 | 2 | | | | | | | | | | 5 | N Moreno de Alboran | 7$^7$ | 6 |
| 7 | Y Uchiyama | 6 | 6$^5$ | 6 | | | | | | | | | | | A Blockx | 6$^5$ | 2 |
| | M Janvier | 3 | 7$^7$ | 4 | 7 | Y Uchiyama | 3$^r$ | | | | | | | | | | |
| | A Blockx | 6 | 6 | | | A Blockx | 4 | | | | | | | | | | |
| WC | Shunsuke Nakagawa | 2 | 3 | | | | | | | | A Blockx | 6 | 7$^7$ | | | | |
| | G den Ouden | 5 | 6$^3$ | | | | | | | | S Mochizuki | 4 | 6$^2$ | | | | |
| | S Mochizuki | 7 | 7$^7$ | | | S Mochizuki | 6 | 6 | | | | | | | | | |
| SE | N Basilashvili | 6 | 4 | 6 | SE | N Basilashvili | 4 | 4 | | | | | | | | | |
| LL | P Sekulic | 3 | 6 | 3 | | | | | | | | | | | | | |