| Name | Date | Format | Location | Weight | Notes |
|---|
| Hack-A-Sat 2 Finals | 11 Dec., 18:00 UTC — 12 Dec. 2021, 18:00 UTC | Attack-Defense |
On-line
| 1.00 | | missing the scoreboard |
| iCTF 2021 | 03 Dec., 14:00 UTC — 03 Dec. 2021, 23:00 UTC | Attack-Defense |
On-line
| 24.55 | | |
| M*CTF 2021 Final | 28 Nov., 08:00 UTC — 28 Nov. 2021, 15:00 UTC | Attack-Defense |
Moscow, Russian Federation
| 0.00 | Prequalified teams only | missing the scoreboard |
| HITB PRO CTF 2021 | 24 Nov., 06:30 UTC — 25 Nov. 2021, 12:30 UTC | Attack-Defense |
Abu-Dhabi, the UAE
| 0.00 | | |
| SPbCTF's Student CTF 2021 Finals | 14 Nov., 09:00 UTC — 14 Nov. 2021, 18:00 UTC | Attack-Defense |
On-line
| 25.00 | Prequalified teams only | |
| Bambi CTF #6 | 30 Oct., 10:00 UTC — 30 Oct. 2021, 16:00 UTC | Attack-Defense |
On-line
| 25.00 | | |
| Collegiate SECTF | 22 Oct., 12:00 UTC — 24 Oct. 2021, 14:16 UTC | Attack-Defense |
On-line
| 0.00 | | missing the scoreboard |
| RuCTF 2021 | 03 Oct., 07:00 UTC — 03 Oct. 2021, 15:00 UTC | Attack-Defense |
On-line
| 25.00 | | |
| VolgaCTF 2021 Final | 16 Sept., 06:00 UTC — 16 Sept. 2021, 15:00 UTC | Attack-Defense |
Samara, Russian Federation
| 37.50 | | |
| HITB SECCONF EDU CTF 2021 | 27 Aug., 10:00 UTC — 27 Aug. 2021, 21:00 UTC | Attack-Defense |
On-line
| 23.15 | | |
| DEF CON CTF 2021 | 06 Aug., 17:00 UTC — 08 Aug. 2021, 21:00 UTC | Attack-Defense | | 95.00 | Prequalified teams only | |
| ENOWARS 5 | 10 July, 12:00 UTC — 10 July 2021, 22:00 UTC | Attack-Defense |
On-line
| 44.33 | | |
| CTFZone 2021 | 26 June, 10:00 UTC — 26 June 2021, 23:27 UTC | Attack-Defense |
On-line
| 90.00 | | |
| FAUST CTF 2021 | 12 June, 13:00 UTC — 12 June 2021, 22:00 UTC | Attack-Defense |
On-line
| 100.00 | | |
| saarCTF 2021 | 08 May, 13:00 UTC — 08 May 2021, 22:00 UTC | Attack-Defense |
On-line
| 24.42 | | |
| Bambi CTF #5 | 17 April, 10:00 UTC — 17 April 2021, 16:00 UTC | Attack-Defense |
On-line
| 24.50 | | |
| ALLES! CTF 2021 HW Edition | 01 April, 15:00 UTC — 01 April 2021, 23:00 UTC | Attack-Defense |
On-line
| 36.35 | | missing the scoreboard |
