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The quarterfinals were decided yesterday, Thursday, January 2, in small conditions mainly in Backdoor.

Several surprises occurred with the fall of Steph Gilmore, the current world champion, and Moana Jones, the defending champion.

These were the complete results of the day:

 
Round 1
SERIES 1: Caroline Marks (USA) 6.36 BEAT. Tatiana Weston-Webb (BRA) 4.84, Teresa Bonvalot (POR) 2.04
SERIES 2: Carissa Moore (HAW) 10.43 BEAT. Bettylou Sakura Johnson (HAW) 9.23, Alyssa Spencer (USA) 4.44
SERIES 3: Moana Jones Wong (HAW) 9.00 DEFEAT Macy Callaghan (AUS) 5.13, Stephanie Gilmore (AUS) 2.80
SERIES 4: Sally Fitzgibbons (AUS) 7.67 BEAT A. Brisa Hennessy (CRC) 3.87, Isabella Nichols (AUS) 1.87
SERIES 5: Gabriela Bryan (HAW) 10.66 BEAT. Lakey Peterson (USA) 9.67, Caitlin Simmers (USA) 3.44
SERIES 6: Molly Picklum (AUS) 11.67 BEAT Tyler Wright (AUS) 7.63, Courtney Conlogue (USA) 5.40

Elimination round
SERIES 1: Caitlin Simmers (USA) 12.67 BEAT Alyssa Spencer (USA) 6.63, Stephanie Gilmore (AUS) 6.43
SERIES 2: Teresa Bonvalot (POR) 6.34 BEAT. Isabella Nichols (AUS) 4.73, Courtney Conlogue (USA) 4.60

Round of 16
SERIES 1: Brisa Hennessy (CRC) 7.40 BEAT Caitlin Simmers (USA) 4.93
SERIES 2: Lakey Peterson (USA) 12.34 BEAT Moana Jones Wong (HAW) 7.16
SERIES 3: Tatiana Weston-Webb (BRA) 9.10 BEAT. Teresa Bonvalot (POR) 5.00
SERIES 4: Tyler Wright (AUS) 10.24 BEAT Sally Fitzgibbons (AUS) 7.27
SERIES 5: Carissa Moore (HAW) 7.93 BEAT Alyssa Spencer (USA) 4.47
SERIES 6: Molly Picklum (AUS) 12.17 BEAT Isabella Nichols (AUS) 3.26
SERIES 7: Gabriela Bryan (HAW) 11.17 BEAT Macy Callaghan (AUS) 7.96
SERIES 8: Bettylou Sakura Johnson (HAW) 9.03 BEAT. Caroline Marks (USA) 8.30

Quarter finals
SERIES 1: Brisa Hennessy (CRC) vs. Lakey Peterson (USA)
SERIES 2: Tatiana Weston-Webb (BRA) vs. Tyler Wright (AUS)
SERIES 3: Carissa Moore (HAW) vs. Molly Picklum (AUS)
SERIES 4: Gabriela Bryan (HAW) vs. Bettylou Sakura Johnson (HAW)

Men's Round of 32
SERIES 1: Italo Ferreira (BRA) vs. Ian Gentil (HAW)
SERIES 2: Jordy Smith (RSA) vs. Nat Young (USA)
SERIES 3: Griffin Colapinto (USA) vs. Leonardo Fioravanti (ITA)
SERIES 4: Callum Robson (AUS) vs. Jackson Baker (AUS)
SERIES 5: Ethan Ewing (AUS) vs. Liam O'Brien (AUS)
SERIES 6: Seth Moniz (HAW) vs. Barron Mamiya (HAW)
SERIES 7: Caio Ibelli (BRA) vs. Ezekiel Lau (HAW)
SERIES 8: Samuel Pupo (BRA) vs. Ryan Callinan (AUS)
SERIES 9: Filipe Toledo (BRA) vs. Carlos Munoz (CRC)
SERIES 10: Yago Dora (BRA) vs. Kelly Slater (USA)
SERIES 11: Connor O'Leary (AUS) vs. Waida River (INA)
SERIES 12: Kanoa Igarashi (JPN) vs. Joao Chianca (BRA)
SERIES 13: Jack Robinson (AUS) vs. Michael Rodrigues (BRA)
SERIES 14: Gabriel Medina (BRA) vs. Jake Marshall (USA)
SERIES 15: John John Florence (HAW) vs. Kolohe Andino (USA)
SERIES 16: Miguel Pupo (BRA) vs. Maxime Huscenot (FRA)