| — | Challenger Cup S3 - Black Claws Europe - 2018-08-02 to 2018-08-12 CompletedBlack Claws|organizer-link=https://www.battlefy.com/black-claws/ Series: HCT Challengers - Season 3 Europe | C-Tier | Core EventStage / monthly / weekly | — | 60 | — | Catalog |
| — | Challenger Cup S3 - Black Claws Americas - 2018-10-20 to 2018-10-28 CompletedBlack Claws|organizer-link=https://www.blackclaws.com/ Series: HCT Challengers - Season 3 Americas | C-Tier | Core EventStage / monthly / weekly | — | 60 | — | Catalog |
| — | Challenger Cup S3 - Black Claws Americas - 2018-10-06 to 2018-10-19 CompletedBlack Claws|organizer-link=https://www.blackclaws.com/ Series: HCT Challengers - Season 3 Americas | C-Tier | Core EventStage / monthly / weekly | — | 60 | — | Catalog |
| — | Challenger Cup S3 - Black Claws Americas - 2018-09-22 to 2018-10-05 CompletedBlack Claws|organizer-link=https://www.blackclaws.com/ Series: HCT Challengers - Season 3 Americas | C-Tier | Core EventStage / monthly / weekly | — | 60 | — | Catalog |
| — | Challenger Cup S3 - Black Claws Americas - 2018-09-09 to 2018-09-22 CompletedBlack Claws|organizer-link=https://www.blackclaws.com/ Series: HCT Challengers - Season 3 Americas | C-Tier | Core EventStage / monthly / weekly | — | 60 | — | Catalog |
| — | Challenger Cup S3 - Black Claws Americas - 2018-08-17 to 2018-08-26 CompletedBlack Claws|organizer-link=https://www.blackclaws.com/ Series: HCT Challengers - Season 3 Americas | C-Tier | Core EventStage / monthly / weekly | — | 60 | — | Catalog |
| — | Challenger Cup S3 - Black Claws Americas - 2018-08-03 to 2018-08-12 CompletedBlack Claws|organizer-link=https://www.battlefy.com/black-claws/ Series: HCT Challengers - Season 3 Americas | C-Tier | Core EventStage / monthly / weekly | — | 60 | — | Catalog |
| — | Challenger Cup S2 - Europe partner cups CompletedZotac|organizer-link=https://www.zotac.com/ Series: HCT Challengers - Europe, Seasons 1–2 | C-Tier | Core EventStage / monthly / weekly | — | — | — | Catalog |
| — | Challenger Cup S2 - Asia-Pacific partner cups CompletedZotac|organizer-link=https://www.zotac.com/ Series: HCT Challengers - Asia-Pacific | C-Tier | Core EventStage / monthly / weekly | — | — | — | Catalog |
| — | Challenger Cup S2 - Met Americas - 2018-05-13 to 2018-06-17 CompletedMET|organizer-link=https://www.battlefy.com/met/ Series: HCT Challengers - Americas, Seasons 1–2 | C-Tier | Core EventStage / monthly / weekly | — | — | — | Catalog |
| — | Challenger Cup S2 - Kyoto Esports Americas - 2018-05-28 to 2018-06-07 CompletedKyoto eSports|organizer-link=https://www.kyotoesports.net/ Series: HCT Challengers - Americas, Seasons 1–2 | C-Tier | Core EventStage / monthly / weekly | — | — | — | Catalog |
| — | Challenger Cup S2 - Kyoto Esports Americas - 2018-05-05 to 2018-05-27 CompletedKyoto eSports|organizer-link=https://www.kyotoesports.net/ Series: HCT Challengers - Americas, Seasons 1–2 | C-Tier | Core EventStage / monthly / weekly | — | — | — | Catalog |
| — | Challenger Cup S2 - Americas partner cups CompletedZotac|organizer-link=https://www.zotac.com/ Series: HCT Challengers - Americas, Seasons 1–2 | C-Tier | Core EventStage / monthly / weekly | — | — | — | Catalog |
| — | Challenger Cup S2 - Met Americas - 2018-04-08 to 2018-05-06 CompletedMET|organizer-link=http://www.battlefy.com/met/ Series: HCT Challengers - Americas, Seasons 1–2 | C-Tier | Core EventStage / monthly / weekly | — | — | — | Catalog |
| — | Challenger Cup S2 - Strivewire Europe - 2018-05-01 to 2018-05-04 CompletedStriveWire|organizer-link=https://www.strivewire.com/ Series: HCT Challengers - Europe, Seasons 1–2 | C-Tier | Core EventStage / monthly / weekly | — | — | — | Catalog |
| — | Challenger Cup S2 - Kyoto Esports Americas - 2018-04-24 to 2018-05-03 CompletedKyoto eSports|organizer-link=https://www.kyotoesports.net/ Series: HCT Challengers - Americas, Seasons 1–2 | C-Tier | Core EventStage / monthly / weekly | — | — | — | Catalog |
| — | Challenger Cup S2 - Strivewire Europe - 2018-04-26 to 2018-04-30 CompletedStriveWire|organizer-link=http://www.strivewire.com/ Series: HCT Challengers - Europe, Seasons 1–2 | C-Tier | Core EventStage / monthly / weekly | — | — | — | Catalog |
| — | Challenger Cup S2 - Strivewire Europe - 2018-04-23 to 2018-04-25 CompletedStriveWire|organizer-link=http://www.strivewire.com/ Series: HCT Challengers - Europe, Seasons 1–2 | C-Tier | Core EventStage / monthly / weekly | — | — | — | Catalog |
| — | Challenger Cup S2 - Jarstorneos Americas - 2018-05-05 to 2018-06-02 CompletedJarstorneos|organizer-link=https://www.battlefy.com/jarstorneos/ Series: HCT Challengers - Americas, Seasons 1–2 | C-Tier | Core EventStage / monthly / weekly | — | — | — | Catalog |
| — | Challenger Cup S2 - Jarstorneos Americas - 2018-04-25 to 2018-05-01 CompletedJarstorneos|organizer-link=https://www.battlefy.com/jarstorneos/ Series: HCT Challengers - Americas, Seasons 1–2 | C-Tier | Core EventStage / monthly / weekly | — | — | — | Catalog |
| — | Challenger Cup S2 - Jarstorneos Americas - 2018-04-18 to 2018-04-24 CompletedJarstorneos|organizer-link=http://www.battlefy.com/jarstorneos/ Series: HCT Challengers - Americas, Seasons 1–2 | C-Tier | Core EventStage / monthly / weekly | — | — | — | Catalog |
| — | Challenger Cup S2 - Kyoto Esports Americas - 2018-04-14 to 2018-04-23 CompletedKyoto eSports|organizer-link=http://www.kyotoesports.net/ Series: HCT Challengers - Americas, Seasons 1–2 | C-Tier | Core EventStage / monthly / weekly | — | — | — | Catalog |
| — | Challenger Cup S2 - Jarstorneos Americas - 2018-04-10 to 2018-04-17 CompletedJarstorneos|organizer-link=http://www.battlefy.com/jarstorneos/ Series: HCT Challengers - Americas, Seasons 1–2 | C-Tier | Core EventStage / monthly / weekly | — | — | — | Catalog |
| — | Challenger Cup S2 - Kyoto Esports Americas - 2018-04-02 to 2018-04-12 CompletedKyoto eSports|organizer-link=http://www.kyotoesports.net/ Series: HCT Challengers - Americas, Seasons 1–2 | C-Tier | Core EventStage / monthly / weekly | — | — | — | Catalog |
| — | Challenger Cup S2 - Jarstorneos Americas - 2018-04-01 to 2018-04-08 CompletedJarstorneos|organizer-link=http://www.battlefy.com/jarstorneos/ Series: HCT Challengers - Americas, Seasons 1–2 | C-Tier | Core EventStage / monthly / weekly | — | — | — | Catalog |
| — | Challenger Cup S2 - Esga Asia-Pacific - 2018-05-25 to 2018-06-29 CompletedESGA|organizer-link=https://www.esga.gg/ Series: HCT Challengers - Asia-Pacific | C-Tier | Core EventStage / monthly / weekly | — | — | — | Catalog |
| — | Challenger Cup S2 - Esga Europe - 2018-05-23 to 2018-06-27 CompletedESGA|organizer-link=https://www.esga.gg/ Series: HCT Challengers - Europe, Seasons 1–2 | C-Tier | Core EventStage / monthly / weekly | — | — | — | Catalog |
| — | Challenger Cup S2 - Esga Americas - 2018-05-22 to 2018-06-26 CompletedESGA|organizer-link=https://www.esga.gg/ Series: HCT Challengers - Americas, Seasons 1–2 | C-Tier | Core EventStage / monthly / weekly | — | — | — | Catalog |
| — | Challenger Cup S2 - Esga Asia-Pacific - 2018-04-06 to 2018-05-18 CompletedESGA|organizer-link=https://www.esga.gg/ Series: HCT Challengers - Asia-Pacific | C-Tier | Core EventStage / monthly / weekly | — | — | — | Catalog |
| — | Challenger Cup S2 - Esga Europe - 2018-04-03 to 2018-05-16 CompletedESGA|organizer-link=https://www.esga.gg/ Series: HCT Challengers - Europe, Seasons 1–2 | C-Tier | Core EventStage / monthly / weekly | — | — | — | Catalog |