| Fri23 Apr2021 |
|  | 07:00 | Golf HISB Golf Academy | v Faldo Series Kabin Buri Invitational hosted by HISB - Day 1 | A |
| |
| Sat24 Apr2021 |
|  | 07:00 | Football Sevens U9 Boys, U9 Girls | v Bulldog Football U8 Tournament invitational | A |
| | 07:00 | Golf HISB Golf Academy | v Faldo Series Kabin Buri Invitational hosted by HISB - Day 2 | A |
|  | 07:00 | Softball U13 Boys | v BISAC Tournament U13 Boys Softball | A |
|  | 07:00 | Swimming HISB Swimming Academy | v Time test for Olympic and SEA Games (Day1) | A |
|  | 07:00 | Volleyball U15 Boys | v BISAC Tournament U15 Boys Volleyball | H |
|  | 08:00 | T-Ball U11 Boys A | v BISAC Tournament U11 Boys Teeball Festival | A |
| | 08:00 | Volleyball U13 Boys | v BISAC Tournament U13 Boys Volleyball | A |
| | 08:00 | Volleyball U13 Girls | v BISAC Tournament U13 Girls Volleyball | A |
| | 08:00 | Volleyball U15 Girls | v BISAC Tournament U15 Girls Volleyball | A |
| |
| Sun25 Apr2021 |
| | 07:00 | Golf HISB Golf Academy | v Faldo Series Kabin Buri Invitational hosted by HISB - Day 3 | A |
| | 07:00 | Swimming HISB Swimming Academy | v Time test for Olympic and SEA Games (Day2) | A |
| |
| Sat1 May2021 |
| | 07:00 | Swimming HISB Swimming Academy | v SEASAC Junior Swimming - Day 1 | A |
|  | 07:00 | Tennis U11 Boys A, U11 Girls A | v Orange Ball Tennis Festival Invitational | A |
| |
| Sun2 May2021 |
| | 07:00 | Swimming HISB Swimming Academy | v SEASAC Junior Swimming - Day 2 | A |
| |
| Sat8 May2021 |
| | 07:00 | Football Sevens Varsity Boys, Varsity Girls, Junior Varsity Boys, Junior Varsity Girls, U15 Boys, U15 Girls, U13 Boys, U13 Girls, U11 Boys, U11 Girls, U9 Boys, U9 Girls | v Football Festival 7's Invitational | H |
|  | 07:00 | Gymnastics HISB Gymnastics Academy | v BISAC Tournament Gymnastics Championships - Day 1 | A |
| | 07:00 | Tennis U11 Boys A | v BISAC U11 Boys Tennis Festival (Singles) | A |
| | 07:00 | Tennis U11 Girls A | v BISAC U11 Girls Tennis Festival (Singles) | A |
| |
| Sun9 May2021 |
| | 07:00 | Golf HISB Golf Academy | v ISGT Patana Invitational | A |
| | 07:00 | Gymnastics HISB Gymnastics Academy | v BISAC Tournament Gymnastics Championship - Day 2 | A |
| | 07:00 | Gymnastics HISB Gymnastics Academy | v FALCONS Championships Invitational | A |
| |
| Sat15 May2021 |
| | 07:00 | Swimming HISB Swimming Academy | v BISAC Tournament Swimming Championship Junior | A |
