STA Intermediate Singles & Doubles III 2021, Kallang Tennis Centre,
08 May - 16 May 2021
, Draw: 64
STA Pesta Sukan Open/Masters Tennis Championships 2021, Kallang / Yio Chu Kang / Farrer Park Tennis Centre,
19 Aug - 05 Sep 2021
, Draw: 128
STA Intermediate Singles IV 2021, Kallang Tennis Centre,
06 Nov - 14 Nov 2021
, Draw: 128
STA Open Singles & Doubles VI 2021, Kallang Tennis Centre,
04 Dec - 12 Dec 2021
, Draw: 128