FIVB Age Group World Championships
FIVB BVB U21 WCHS
Sunday, October 19, 2025 Stadium Court 10:00
Match #69: Semi-Finals
(31, Q10) Marcela Mattoso/Maria Clara Costa, Brazil
vs.
(30, Q13) Sally Perez/Avery Jackson, United States
Marcela de Souza Mattoso Barbosa
Brazil
Photo: FIVB
Personal Info
Birth Date: Dec 2, 2006 (18 yrs old)
Seasons: 2
Tournaments: 8
Career Best: 3rd (FIVB Pingtan 2024)
Career FIVB Age Group WC Best: 9th (Shangluo 2024)
Career Winnings: US$450.00
Maria Clara Costa Da Silva
Brazil
Photo: FIVB
Personal Info
Birth Date: Feb 15, 2005 (20 yrs old)
Seasons: 2
Tournaments: 2
Career Best: 45th (FIVB U18/19 World Championships Dikili 2022)
Career Winnings: US$0.00
Team Career Summary 
TourPlayed1234579131725Money
FIVB Age Group WC10000000000 US$0.00
Previous Puebla Results  Neither player has played in this venue before
Recent Results  1st Tournament
U21 World Championships Matches
DateBracketOpponentScoreTime
Wed, 10/15/2025 Qualifier 2 Emma Cudmore / Sophie Hancock, Canada (Q7) Won 21-14, 21-17 0:46
Wed, 10/15/2025 Qualifier 3 Mareet Maidhof / Sophia Neuss, Germany (32, Q2) Won 20-22, 21-13, 16-14 0:55
Thu, 10/16/2025 Pool B Zoey Henson / Sarah Wood, United States (2) Lost 12-21, 21-11, 13-15 0:40
Thu, 10/16/2025 Pool B Liva Ebere / Deniela Konstantinova, Latvia (15) Lost 11-21, 20-22 0:36
Fri, 10/17/2025 Pool B Morena Abdala / Victoria Sancer, Argentina (18) Won 21-15, 21-8 0:31
Sat, 10/18/2025 Winner 1 Saofe Duval / Romane Sobezalz, France (5) Won 21-19, 23-21 0:42
Sat, 10/18/2025 Winner 2 Anna Pavelkova / Katerina Pavelkova, Czech Republic (16) Won 21-19, 21-18 0:36
Sat, 10/18/2025 Winner 3 Julhia Futado / Carolina Sallaberry, Brazil (10) Won 21-19, 8-21, 15-11 0:43
Sun, 10/19/2025 Semi-Finals Avery Jackson / Sally Perez, United States (30, Q13)    

Sally Perez
United States
Photo: FIVB
Personal Info
Birth Date: Oct 11, 2006 (19 yrs old)
Home Town: Raleigh, NC
Height: 191 cm (6'3")
Seasons: 3
Tournaments: 3
Career Best: 3rd (FIVB U18/19 World Championships Shangluo 2024)
Career Winnings: US$0.00
Avery Jackson
United States
Photo: FIVB
Personal Info
Birth Date: Sep 29, 2005 (20 yrs old)
Home Town: Dallas, TX
Height: 178 cm (5'10")
Seasons: 1
Tournaments: 1
Career Best: First event
Career Winnings: US$0.00
Team Career Summary 
TourPlayed1234579131725Money
FIVB Age Group WC10000000000 US$0.00
Previous Puebla Results  Neither player has played in this venue before
Recent Results  1st Tournament
U21 World Championships Matches
DateBracketOpponentScoreTime
Wed, 10/15/2025 Qualifier 2 Milja Henriksson / Ester Hirvonen, Finland (Q4) Won 22-20, 21-17 0:38
Wed, 10/15/2025 Qualifier 3 Lucie Knoblochova / Adela Petrikova, Czech Republic (Q12) Won 21-13, 21-17 0:31
Thu, 10/16/2025 Pool C Sofia Izuzquiza / Adriana Serrano, Spain (3) Won 18-21, 21-11, 15-13 0:43
Thu, 10/16/2025 Pool C Bouysfi Fatimazahra / Fakhr Imane, Morocco (14) Won 21-5, 21-8 0:23
Fri, 10/17/2025 Pool C Natalia Okla / Julia Radelczuk, Poland (19) Won 16-21, 21-14, 15-6 0:43
Sat, 10/18/2025 Winner 2 Naomi Cruz / Angelica Torres, Mexico (1) Won 21-17, 21-10 0:29
Sat, 10/18/2025 Winner 3 Liva Ebere / Deniela Konstantinova, Latvia (15) Won 18-21, 23-21, 15-12 0:47
Sun, 10/19/2025 Semi-Finals Maria Clara Costa / Marcela Mattoso, Brazil (31, Q10)    
Head to Head Results
First meeting between the two teams
DateTourTournamentRoundWinning TeamSeedLosing TeamSeedScoreTime
10/19/25FIVB Age Group WCU21 World Championships Semi-Finals