| Date | 25 July 2021 — 13:40 | |
|---|---|---|
| Location | Tsurigasaki Surfing Beach, Torami, Chiba | |
| Format | First 3 surfers per heat advanced to round three. | |
| Head Judge | Glen Elliott |  AUS |
| Head Judge | Richard Pierce |  USA |
| Judge 1 | Luiz Pereira |  BRA |
| Judge 2 | Dan Kosoof |  NZL |
| Judge 3 | Tory Gilkerson | USA |
| Judge 4 | Ben Lowe | AUS |
| Judge 5 | Bruno Truch |  FRA |
| Judge 6 | Masato Kato |  JPN |
| Judge 7 | Nuno Trigo |  POR |
| Time | 13:40 |
|---|
| Pos | Number / Color | Competitor | NOC | Points | Best Wave | Second-Best Wave | Wave #1 | Wave #2 | Wave #3 | Wave #4 | Wave #5 | Wave #6 | Wave #7 | Wave #8 | Wave #9 | Wave #10 | Wave #11 | Wave #12 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 6 / Red | John John Florence | USA | 12.77 | 6.67 | 6.10 | 4.50 | 3.43 | 3.50 | 6.67 | 6.10 | 5.87 | 0.50 | 3.27 | – | – | – | – | ||
| 2 | 19 / Yellow | Rio Waida |  INA | 11.53 | 5.90 | 5.63 | 2.83 | 3.10 | 2.87 | 5.90 | 0.50 | 0.30 | 4.63 | 1.10 | 3.83 | 5.63 | 2.10 | 0.43 | ||
| 3 | 18 / White | Billy Stairmand | NZL | 11.34 | 5.87 | 5.47 | 3.57 | 5.10 | 4.27 | 5.47 | 5.87 | 2.83 | 4.97 | – | – | – | – | – | ||
| 4 | 15 / Blue | Manuel Selman |  CHI | 9.74 | 5.17 | 4.57 | 5.17 | 3.20 | 4.57 | 2.17 | 1.57 | 2.17 | 3.43 | 1.17 | 4.20 | 3.67 | 1.00 | – | ||
| 22 / Green | Carlos Muñoz |  CRC | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Time | 14:20 |
|---|
| Pos | Number / Color | Competitor | NOC | Points | Best Wave | Second-Best Wave | Wave #1 | Wave #2 | Wave #3 | Wave #4 | Wave #5 | Wave #6 | Wave #7 | Wave #8 | Wave #9 | Wave #10 | Wave #11 | Wave #12 | Wave #13 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 21 / Red | Leonardo Fioravanti |  ITA | 12.53 | 6.50 | 6.03 | 3.10 | 4.57 | 6.50 | 5.43 | 0.50 | 0.90 | 4.37 | 6.03 | 0.50 | – | – | – | – | ||
| 2 | 8 / Yellow | Jérémy Florès | FRA | 11.37 | 6.00 | 5.37 | 3.33 | 0.50 | 5.37 | 0.50 | 2.57 | 6.00 | 2.60 | 0.50 | 0.57 | 3.50 | 1.73 | – | – | ||
| 3 | 9 / Blue | Julian Wilson | AUS | 11.27 | 5.77 | 5.50 | 4.50 | 5.20 | 4.67 | 5.50 | 2.50 | 5.33 | 4.50 | 5.77 | – | – | – | – | – | ||
| 4 | 12 / White | Leon Glatzer |  GER | 10.43 | 5.23 | 5.20 | 2.90 | 3.17 | 1.00 | 0.27 | 4.43 | 3.57 | 1.00 | 4.80 | 5.20 | 4.57 | 1.10 | 0.63 | 5.23 | ||
| 5 | 20 / Green | Leandro Usuna |  ARG | 9.67 | 4.90 | 4.77 | 4.90 | 4.53 | 3.60 | 3.37 | 3.33 | 2.00 | 0.87 | 1.13 | 4.77 | 0.63 | 0.40 | 3.63 | 2.80 |
