| Date | 6 August 2021 — 15:00 |
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| Location | Olympic Aquatics Centre, 2-1, 2chome, Tatsumi, Koto-ku, Tatsumi-no-Mori Seaside Park, Tokyo, Japan |
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| Format | Six dives. Top 18 advanced to the semi-finals. |
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| Referee | Maths Lindberg |  SWE |
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| Assistant Referee | Simon Latimer |  NZL |
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| Judge 1 (rounds 1-3) | Gord Peterson |  CAN |
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| Judge 2 (rounds 1-3) | Anatoliy Holovan |  UKR |
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| Judge 3 (rounds 1-3) | Holger Schlepps |  GER |
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| Judge 4 (rounds 1-3) | Sergio Rocha |  MEX |
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| Judge 5 (rounds 1-3) | Mohamed Hassan |  EGY |
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| Judge 6 (rounds 1-3) | Rao Lang |  CHN |
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| Judge 7 (rounds 1-3) | Marco Zampieri |  ITA |
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| Alternate Judge (rounds 1-3) | Lisa Wright | NZL |
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| Platform Referee | William Lee |  SGP |
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| Judge 1 (rounds 4-6) | Julie Ahlering |  USA |
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| Judge 2 (rounds 4-6) | Mayur Vyas |  IND |
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| Judge 3 (rounds 4-6) | Eduard Feoktistov |  RUS |
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| Judge 4 (rounds 4-6) | Gillian Brooker |  AUS |
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| Judge 5 (rounds 4-6) | Nora Szekffy |  HUN |
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| Judge 6 (rounds 4-6) | Masako Asada |  JPN |
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| Judge 7 (rounds 4-6) | Rolando Ruiz |  CUB |
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| Alternate Judge (rounds 4-6) | Violeta Reis |  BRA |
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| Platform Referee | Ronald van der Voort |  NED |
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ROC
GBR
KOR
COL
PUR
VEN
FRA