Wuning 2026ITF M15Court speedLost Q1Q130 AugKazuki NakajimaK. NakajimaKazuki NakajimaSets won: 2Set 1: 6Set 2: 6Riku KatoR. KatoRiku KatoSets won: 0Set 1: 3Set 2: 2
Roda de Bara 2026ITF M25Court speedLost Q2Q25 JulAlvaro JimenezA. JimenezAlvaro JimenezSets won: 2Set 1: 6Set 2: 6Riku KatoR. KatoRiku KatoSets won: 0Set 1: 0Set 2: 0Q15 JulRiku KatoR. KatoRiku KatoSets won: 2Set 1: 1Set 2: 6Set 3: 10Alex Martin TiffonA. Martin TiffonAlex Martin TiffonSets won: 1Set 1: 6Set 2: 4Set 3: 8
Monastir 2026ITF M15Court speedLost Q1Q128 JunYoussef ElshafeiY. ElshafeiYoussef ElshafeiSets won: 2Set 1: 6Set 2: 6Riku KatoR. KatoRiku KatoSets won: 0Set 1: 1Set 2: 4
Vic 2026ITF M25Court speedLost Q2Q211 MayMarc Martin RocaM. Martin RocaMarc Martin RocaSets won: 1Set 1: 6Set 2: 4Riku KatoR. KatoRiku KatoSets won: 0Set 1: 2Set 2: 0Riku Kato · RetiredQ110 MayRiku KatoR. KatoRiku KatoSets won: 2Set 1: 6Set 2: 7Javier Martinez NohalesJ. Martinez NohalesJavier Martinez NohalesSets won: 0Set 1: 3Set 2: 5
Castelldefels 2026ITF M25Court speedLost Q1Q126 AprOriol FontO. FontOriol FontSets won: 2Set 1: 6Set 2: 6Riku KatoR. KatoRiku KatoSets won: 0Set 1: 3Set 2: 2
