2024 Keio Challenger – Men's singles

Men's singles
2024 Keio Challenger
Champion Yuta Shimizu
Runner-up Li Tu
Score6–7(4–7), 6–4, 6–2

Yosuke Watanuki was the defending champion but chose not to defend his title.

Yuta Shimizu won the title after defeating Li Tu 6–7(4–7), 6–4, 6–2 in the final.