This KC Cup took place from April 6th to April 18th, with the second stage beginning on April 15th
- The first stage of the KC Cup plays very similar to the ranked ladder.
- Reaching DLV MAX qualifies a player for stage 2 of the KC Cup.
- Gems, tickets, and gold are given to players for each DLV level.
- Your DLv. will begin at the following levels depending on your rank in Season 62 (February) of Ranked Duels:
| Rank | DLv. |
| Silver Rank | DLv. 3 |
| Gold Rank | DLv. 5 |
| Platinum Rank | DLv. 7 |
| Legend Rank and beyond | DLv. 10 |
- Duelists who reached King of Games in February 2021 are straight invited to the Stage 2.
Rewards:
The player achieving the spot of #1 Global after the rankings will receive a KC GT 2021 Main Tournament Championship Invitation, allowing them to attend the KC GT 2021 Main Tournament
Yu-Gi-Oh! World Championships 2021
- As with Last Year, this year's World Championships was officially cancelled due to the ongoing outbreak
- Regional Qualifiers and WCS invites obtained through KC Cup September 2020, KC Cup November 2020, KC Cup February 2021 and KC Cup April 2021 will be valid for entry in KCGT 2021 Preliminary and KCGT 2021 Main Tournament.
- More information, further updates and notifications for the WCS 2021 will be posted by Konami in the future.
Top 100 Decklists
These are the decks used by the duelists placing within the Top 100 global ranking in the April 2021 KC Cup
zeeta
Global Rank: 1
Kanzawa
Global Rank: 2
Negative1
Global Rank: 3
zaidking
Global Rank: 5
Shota
Global Rank: 6
~Sow~
Global Rank: 7
KEINZ
Global Rank: 8
小Faker
Global Rank: 9
时光流韵 ShiranuiNo1
Global Rank: 10
Minato
Global Rank: 11
AdoboBoy
Global Rank: 13
hAru
Global Rank: 14
Gorira
Global Rank: 15
Uchihaleandro
Global Rank: 18
TsunTsun
Global Rank: 20
Amayami
Global Rank: 21
pyama
Global Rank: 22
Nanase
Global Rank: 23
Buns
Global Rank: 24
Yarukiganaihito
Global Rank: 25
kinghalo
Global Rank: 26
ZenSokuZenSin
Global Rank: 28
Taku
Global Rank: 31
tomi
Global Rank: 32
Miriyo
Global Rank: 33
WinD_mawile
Global Rank: 34
Namul
Global Rank: 36
GaOV
Global Rank: 37
Bigi
Global Rank: 38
Duellinks Ace
Global Rank: 39
kama3
Global Rank: 41
Yonechan
Global Rank: 42
mochi2
Global Rank: 45
Imoshika
Global Rank: 46
March
Global Rank: 47
Ryo
Global Rank: 48
Ryu Ash
Global Rank: 49
Bonzy
Global Rank: 50
ArkRoyal
Global Rank: 51
Kenzen
Global Rank: 52
putaro
Global Rank: 53
Gii
Global Rank: 54
Uzumaki
Global Rank: 56
LORD•CHRONOS
Global Rank: 60
TakeYuki
Global Rank: 61
Takahisa
Global Rank: 64
harakiri888
Global Rank: 66
kkk
Global Rank: 67
Aster
Global Rank: 69
seaarcher
Global Rank: 70
Ryouhei
Global Rank: 73
7110
Global Rank: 74
Lunze
Global Rank: 76
Ginjirou
Global Rank: 77
Taker
Global Rank: 79
Y,H
Global Rank: 82
Drizzels
Global Rank: 83
Hiyoko
Global Rank: 84
Murazou
Global Rank: 85
Thousand
Global Rank: 86
ルンパッパ
Global Rank: 88
Maririn
Global Rank: 89
Yutolinks
Global Rank: 90
rasai_mono
Global Rank: 93
Yobromikehoe
Global Rank: 95
Nisshi
Global Rank: 98
naaaa
Global Rank: 99