| Qualification method | Qualifying team | Scenario if team has already qualified | Notes |
| Defending Champion 2017 Humpty's Champions Cup | Brad Jacobs | None (first qualifier) | |
| Winner of GSOC Tour Challenge | Brad Gushue | None (first qualifier) | |
| Winner of The Masters Grand Slam of Curling | Brad Gushue | WCT Event Winner (not already qualified) | |
| Winner of The National | Bruce Mouat | None (first qualifier) | |
| Winner of 2017 European Championship | Niklas Edin | None (first qualifier) | |
| Winner of 2017 Asia/Pacific Championship | Kim Chang-min | None (first qualifier) | |
| Winner of Canadian Open of Curling | Peter de Cruz | None (first qualifier) | |
| Winner of 2018 Winter Olympics | John Shuster | None (first qualifier) | |
| Winner of 2018 U.S. National Championship | Greg Persinger | None (first qualifier) | |
| Winner of 2018 World Junior Championship | Tyler Tardi | None (first qualifier) | |
| Winner of 2018 Tim Hortons Brier | Brad Gushue | WCT Event Winner (not already qualified) | |
| Winner of 2018 Elite 10 | Mike McEwen | None (first qualifier) | |
| Winner of 2018 World Championship | Niklas Edin | WCT Event Winner (not already qualified) | |
| Winner of 2018 Players' Championship | Kevin Koe | None (first qualifier) | |
| WCT #1 - Winner of 2017-18 Ranked Event | Brad Jacobs | Already qualified | AMJ Campbell Shorty Jenkins Classic (SFM: 10.5938) |
| WCT #2 - Winner of 2017-18 Ranked Event | Reid Carruthers | None (first qualifier) | Canad Inns Men's Classic (SFM: 8.6231) |
| WCT #3 - Winner of 2017-18 Ranked Event | Brad Gushue | Already qualified | Swiss Cup Basel (SFM: 8.2928) |
| WCT #4 - Winner of 2016-18 Ranked Event | Liu Rui | None (first qualifier) | Direct Horizontal Drilling Fall Classic (SFM: 8.2344) |
| WCT #5 - Winner of 2017-18 Ranked Event | Kevin Koe | Already qualified | Ashley Home Store Fall Classic (SFM: 7.8483) |
| WCT #6 - Winner of 2017-18 Ranked Event | Colton Flasch | None (first qualifier) | College Clean Restoration Curling Classic (SFM: 7.6823) |
| WCT #7 - Winner of 2017-18 Ranked Event | Brad Gushue | Already qualified | Stu Sells Toronto Tankard (SFM: 7.3069) |
| WCT #8 - Winner of 2017-18 Ranked Event | Niklas Edin | Already qualified | Mercure Perth Masters (SFM: 6.8809) |
| WCT #9 - Winner of 2017-18 Ranked Event | Liu Rui | Already qualified, declined invite | Challenge de Curling de Gatineau (SFM: 6.8314) |
| WCT #10 - Winner of 2017-18 Ranked Event | Bruce Mouat | Already qualified | Stu Sells Oakville Tankard (SFM: 6.6939) |
| WCT #11 - Winner of 2017-18 Ranked Event | Jason Gunnlaugson | None (first qualifier) | GSOC Tour Challenge Tier 2 (SFM: 6.6456) |
| WCT #12 - Winner of 2017-17 Ranked Event | Niklas Edin | Already qualified | Curling Masters Champery (SFM: 6.2031) |
| WCT #13 - Winner of 2017-17 Ranked Event | Niklas Edin | Already qualified | Baden Masters (SFM: 5.8101) |
| WCT #14 - Winner of 2017-18 Ranked Event | Brendan Bottcher | None (first qualifier) | Red Deer Curling Classic (SFM: 5.0877) |
| WCT #15 - Winner of 2017-18 Ranked Event | Bruce Mouat | Already qualified | Oakville OCT Fall Classic (SFM: 5.0662) |
| WCT #16 - Winner of 2016-17 Ranked Event | Mike McEwen | Already qualified | Ed Werenich Golden Wrench Classic (SFM: 4.9849) |
| WCT #17 - Winner of 2017-18 Ranked Event | Brendan Bottcher | Already qualified | Medicine Hat Charity Classic (SFM: 4.6272) |
| WCT #18 - Winner of 2017-18 Ranked Event | Kurt Balderston | None (first qualifier) | Original 16 WCT Bonspiel (SFM: 4.5434) |
| WCT #19 - Winner of 2017-18 Ranked Event | Marc Pfister | None (first qualifier) | German Masters (SFM: 4.5412) |
| WCT #20 - Winner of 2017-18 Ranked Event | Glenn Howard | None (first qualifier) | Huron ReproGraphics Oil Heritage Classic (SFM: 4.4091) |