Team Preview

AVP Tour
$60,000 AVP Heritage Contender Series Waupaca Open
July 8 - 10, 2026

(7) Maria Castillo/Isabella Martinez

Maria Belen Castillo

Photo: NORCECA

Personal Info

Birth Date:

Jan 22, 1998 (28 yrs old)

Home Town:

Rafaela, Argentina

Height:

6'4"

College(s):

California-Berkeley
Southern California

Seasons:

Tournaments:

Career Best:

2nd (NORCECA Managua 2026)

Career AVP Best:

9th (Waupaca 2026)

Career Winnings:

$2,420.28

Isabella Martinez

Photo: Ken Delgado

Personal Info

Home Town:

Winnetka, CA

Height:

5'9"

College(s):

Cal Poly-San Luis Obispo

Seasons:

Tournaments:

Career Best:

2nd (AVP Waupaca 2025)

Career Winnings:

$8,725.00

Team Career Summary

Tour	Played	1	2	3	4	5	7	9	13	17	25	Money
AVP	1	0	0	0	0	0	0	1	0	0	0	$600.00

Previous Waupaca Results

Year	Partner - Result	Partner - Result
2025	Did not play	Ella Connor - 2nd

Recent Results 1st Tournament

Waupaca Open Matches

Date	Bracket	Opponent	Score	Time
Thu, 7/9/2026	Pool F	Kaley Melville / Sara Putt (18, Q3)	Won 21-18, 21-18
Thu, 7/9/2026	Pool F	Natalie Myszkowski / Madison Shields (6)	Won 21-18, 19-21, 15-8
Thu, 7/9/2026	Winner 1	Katie Pyles / Lena Sokolowski (9)	Lost 19-21, 21-17, 13-15

Team Finishes By Tournament Type

Tournament Type	Played	Gold	Silver	Bronze	4th	5-6th	7-8th	9-12th	13-16th	17-24th	25th	Lower	Winnings (US$)
Contender Series/Tour Series	1	0	0	0	0	0	0	1	0	0	0	0	$600.00
Total	1	0	0	0	0	0	0	1	0	0	0	0	$600.00

Individual Finishes by Tournament Type

Maria Castillo												Isabella Martinez
Played	Gold	Silver	Bronze	4th	5-8th	9-16th	17-24th	25th	Lower	Winnings (US$)	Tournament Type	Played	Gold	Silver	Bronze	4th	5-8th	9-16th	17-24th	25th	Lower	Winnings (US$)
1	0	0	0	0	0	0	0	1	0	$750.00	Challenge/Four Star/Open
2	0	0	0	0	0	1	1	0	0	$150.00	Futures/Three Star/Two Star/One Star
											Gold Series	2	0	0	0	0	0	0	0	0	2	$0.00
3	0	0	0	0	0	0	0	2	1	$650.00	Heritage Series/Pro Series	4	0	0	0	0	0	3	0	0	1	$5,550.00
4	0	0	0	0	0	2	2	0	0	$300.00	Contender Series/Tour Series	6	0	1	0	0	0	2	1	0	2	$3,175.00
10	0	0	0	0	0	3	3	3	1	$1,850.00	Total	12	0	1	0	0	0	5	1	0	5	$8,725.00

Team Finishes by Season

			Results												Matches
Season	Assoc	Played	Gold	Silver	Bronze	4th	5-6th	7-8th	9-12th	13-16th	17-24th	25th	Lower	Winnings (US$)	Won	Lost	Pct
2026	AVP	1	0	0	0	0	0	0	1	0	0	0	0	$600.00	2	1	66.7 %
Total	AVP	1	0	0	0	0	0	0	1	0	0	0	0	$600.00	2	1	66.7 %

Individual Finishes by Season

Maria Castillo													Isabella Martinez
Played	Gold	Silver	Bronze	4th	5-8th	9-16th	17-24th	25th	Lower	Winnings (US$)	Season	Association	Played	Gold	Silver	Bronze	4th	5-8th	9-16th	17-24th	25th	Lower	Winnings (US$)
											2022	AVP	1	0	0	0	0	0	0	0	0	1	$0.00
											2023	AVP	2	0	0	0	0	0	0	0	0	2	$0.00
3	0	0	0	0	0	0	1	1	1	$325.00	2025	AVP	6	0	1	0	0	0	2	1	0	2	$5,025.00
3	0	0	0	0	0	2	1	0	0	$300.00	2026	AVP	2	0	0	0	0	0	2	0	0	0	$1,550.00
3	0	0	0	0	0	1	1	1	0	$900.00	2026	FIVB
1	0	1	0	0	0	0	0	0	0	$500.00	2026	NORCECA
10	0	1	0	0	0	3	3	2	1	$2,025.00	Total	Total	11	0	1	0	0	0	4	1	0	5	$6,575.00

Team Match Records

	Won 1st Set								Lost 1st Set								2 Set Matches		3 Set Matches		By Forfeit		All Matches
Season	Won 2-0		Won 2-1		Lost 2-1		Overall		Won 2-1		Lost 2-1		Lost 2-0		Overall		Overall		Overall		Won	Lost	Overall
Overall	1	50.0%	1	50.0%	0	0.0%	2-0	100.0%	0	0.0%	1	100.0%	0	0.0%	0-1	0.0%	1-0	100.0%	1-1	50.0%	0	0	2-1	66.7%
2025-2026	1	50.0%	1	50.0%	0	0.0%	2-0	100.0%	0	0.0%	1	100.0%	0	0.0%	0-1	0.0%	1-0	100.0%	1-1	50.0%	0	0	2-1	66.7%
Against the Field	1	50.0%	1	50.0%	0	0.0%	2-0	100.0%	0	0.0%	1	100.0%	0	0.0%	0-1	0.0%	2-0	100.0%	2-2	50.0%	0	0	2-1	66.7%

Team Match Records by Round

	Country Quota		Qualifier		Pool Play		Lucky Loser		Elimination Rounds		Semi-Finals		Bronze Medal		Gold Medal		Overall
Tournament Type	Won	Lost	Won	Lost	Won	Lost	Won	Lost	Won	Lost	Won	Lost	Won	Lost	Won	Lost	Won	Lost
Contender Series/Tour Series	0	0	0	0	2	0	0	0	0	1	0	0	0	0	0	0	2	1
Total	0	0	0	0	2	0	0	0	0	1	0	0	0	0	0	0	2	1

Head to Head Results
Castillo/Martinez lead the series against the field 2-1 (Lead 2 Series, Trail 1 Series, 0 Series Tied)

Date	Tour	Tournament	Round	Winning Team	Seed	Losing Team	Seed	Score	Time
Lead the series against # 6 Myszkowski/Shields 1-0
7/9/26	AVP	Waupaca Open	Pool F	Castillo/Martinez	7	Myszkowski/Shields	6	21-18, 19-21, 15-8
Trail the series against # 9 Pyles/Sokolowski 0-1
7/9/26	AVP	Waupaca Open	Winner 1	Pyles/Sokolowski	9	Castillo/Martinez	7	21-19, 17-21, 15-13
Lead the series against # 18, Q3 Melville/Putt 1-0
7/9/26	AVP	Waupaca Open	Pool F	Castillo/Martinez	7	Melville/Putt	18, Q3	21-18, 21-18