ChallengerClayCali2026-11-02 17:00

Arias Valentina Mediorreal v Julia Riera

The market

No published price yet

Percentages are the implied chance of winning with the bookmaker's margin removed.

Recent form

A. V. MediorrealLWWLL

J. RieraLWWWL

Last five completed matches, most recent first.

Head to head

First career meetingNo previous matches between these two on record.

This season & this event

A. V. Mediorreal

J. Riera

9-20

5-11

Lost R32 to D. Papamichail

Lost R16 to J. Ortenzi

2026 record

2026 on clay

Here in 2025

Here in 2024

46-24

31-13

Lost QF to S. Bejlek

Lost R32 to L. Romero Gormaz

Ranking points fall off a year after they are earned, so a player who went deep here last year must match it or drop in the rankings. That shapes effort in a way the price does not always show.

The players

Arias Valentina Mediorreal

Colombia

Julia Riera

Argentina

766

Colombia

0–1

—

0–1

—

Ranking

Age

Country

2026 W/L

Titles

Hard

Clay

Grass

147

Argentina

43–22

4–6

34–15

1–1

Ranking, record and surface splits are for the most recent season on file. Height, weight and handedness are not published by our data provider.

A. V. Mediorreal — last 10

With the pre-match price we recorded at the time.

Date	Event	Surface	Opponent	Their price	Market	Result
2026-10-23	W15 Campina Grande (Brazil)	Clay	A. S. Sanchez	—	—	LOST
Games in each set1-6 0-6 MediorrealSanchezPoints won25%75%Serve points won32%84%Return points won16%68%Games held1 of 67 of 7Break points saved3 of 80 of 0
2026-10-22	W15 Campina Grande (Brazil)	Clay	J. Konishi Silva	—	—	WON
Games in each set5-7 7-6 6-1 MediorrealSilvaPoints won50%50%Serve points won47%47%Return points won53%53%Games held8 of 166 of 15Break points saved8 of 167 of 16
2026-10-20	W15 Campina Grande (Brazil)	Clay	S. G. Guapindaia	—	—	WON
Games in each set6-1 6-1
2026-10-14	W15 Maceio (Brazil)	Clay	M. F. Urrutia	—	—	LOST
Games in each set4-6 0-6 MediorrealUrrutiaPoints won39%61%Serve points won43%66%Return points won34%57%Games held2 of 87 of 8Break points saved2 of 80 of 1
2026-09-08	Barranquilla	Hard	A. Blinkova	29.79	97%	LOST
Games in each set1-6 0-6 MediorrealBlinkovaPoints won28%72%Serve points won33%76%Return points won24%67%Games held1 of 67 of 7Break points saved3 of 84 of 4Aces04Double faults22
2026-09-04	W15 Porto Velho (Brazil)	Hard	A. S. Sanchez	—	—	LOST
Games in each set2-6 0-6 MediorrealSanchezPoints won35%65%Serve points won45%80%Return points won20%55%Games held2 of 77 of 7Break points saved8 of 130 of 0
2026-09-03	W15 Porto Velho (Brazil)	Hard	G. Kawano Cho	1.08	86%	WON
Games in each set7-5 6-1 MediorrealChoPoints won56%44%Serve points won51%39%Return points won61%49%Games held5 of 92 of 10Break points saved4 of 88 of 16
2026-08-26	W35 Barueri (Brazil)	Hard	R. Ccuno	1.87	51%	LOST
Games in each set0-6 6-4 6-7 MediorrealCcunoPoints won46%54%Serve points won51%60%Return points won40%49%Games held8 of 1510 of 14Break points saved9 of 152 of 6
2026-08-04	W35 Chacabuco	Clay	L. Ayala	1.72	56%	LOST
Games in each set4-6 2-6
2026-07-30	W35 Pergamino	Clay	D. Egorova	23.68	96%	LOST
Games in each set0-6 2-6

J. Riera — last 10

With the pre-match price we recorded at the time.

Date	Event	Surface	Opponent	Their price	Market	Result
2026-10-31	Curitiba (Brazil) - Qualification	Clay	J. Grabher	2.07	53%	LOST
Games in each set3-6 3-6 RieraGrabherPoints won43%57%Serve points won48%60%Return points won40%52%Games held4 of 97 of 9Break points saved4 of 92 of 4Aces11Double faults34
2026-10-30	Curitiba (Brazil) - Qualification	Clay	S. Sierra	1.97	52%	WON
Games in each set1-6 6-4 7-5 RieraSierraPoints won50%50%Serve points won54%54%Return points won46%46%Games held9 of 159 of 14Break points saved5 of 118 of 13Aces20Double faults33
2026-10-28	Curitiba (Brazil) - Qualification	Clay	Y. Kabbaj	1.38	69%	WON
Games in each set6-2 6-4 RieraKabbajPoints won56%44%Serve points won59%49%Return points won51%41%Games held7 of 94 of 9Break points saved3 of 50 of 5Aces20Double faults24
2026-10-27	Curitiba (Brazil) - Qualification	Clay	R. Masarova	2.52	62%	WON
Games in each set1-6 6-4 6-1 RieraMasarovaPoints won52%48%Serve points won56%52%Return points won48%44%Games held8 of 127 of 12Break points saved5 of 98 of 13Aces03Double faults67
2026-09-30	Adana (Turkey) - Qualification	Hard	A. Ruzic	2.50	63%	LOST
Games in each set3-6 4-6 RieraRuzicPoints won45%55%Serve points won45%55%Return points won45%55%Games held3 of 96 of 10Break points saved7 of 131 of 5Aces30Double faults30
2026-09-28	Adana (Turkey) - Qualification	Hard	A. Siskova	—	—	WON
Games in each set7-5 6-2 RieraSiskovaPoints won53%47%Serve points won56%50%Return points won50%44%Games held7 of 104 of 10Break points saved7 of 1011 of 17Aces32Double faults51
2026-09-21	Ankara (Turkey) - Qualification	Hard	E. Micic	1.17	79%	LOST
Games in each set1-6 3-6 RieraMicicPoints won41%59%Serve points won52%76%Return points won24%48%Games held4 of 88 of 8Break points saved6 of 100 of 0Aces72Double faults34
2026-09-14	Sao Paulo	Clay	E. Avanesyan	2.20	56%	LOST
Games in each set2-6 4-6 RieraAvanesyanPoints won42%58%Serve points won40%56%Return points won44%60%Games held3 of 96 of 9Break points saved5 of 113 of 6Aces01Double faults66
2026-09-11	Barranquilla	Hard	A. Blinkova	2.73	65%	LOST
Games in each set2-6 2-6 RieraBlinkovaPoints won43%57%Serve points won35%50%Return points won50%65%Games held0 of 84 of 8Break points saved6 of 144 of 8Aces22Double faults74
2026-09-09	Barranquilla	Hard	M. Stoiana	3.30	71%	WON
Games in each set4-6 7-6 6-3 RieraStoianaPoints won51%49%Serve points won57%55%Return points won45%43%Games held11 of 1610 of 15Break points saved8 of 136 of 11Aces22Double faults65

Also at this event

Carle v Papamichail Costoulas v Bassols Grabher v Pigossi Jeanjean v Bronzetti Kalieva v Escorihuela Masarova v Tubello