S. Sierra vs J. Riera — Head-to-Head

J. Riera leads the head-to-head 4-3 since 2018 against S. Sierra, over 7 matches.

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By surface

Surface	S. Sierra	J. Riera
Clay	2	4
Other	1	0

Current ELO by surface

Surface	S. Sierra	J. Riera
Hard	1554 (53-41)	1517 (33-34)
Clay	1771 (155-61)	1683 (175-96)
Grass	1613 (9-7)	1495 (3-4)

ELO is computed per surface from results since 2018; the win-loss pair is that surface's record.

Match history

Date	Winner	Score	Event
Oct. 30, 2026	J. Riera	2 - 1	Curitiba (Brazil) - Qualification · Quarter-finals · clay
April 30, 2023	J. Riera	2 - 1	ITF W25 Guayaquil 2 Women · Final · clay
April 22, 2023	J. Riera	2 - 1	ITF W25 Guayaquil Women · Semi-finals · clay
Feb. 24, 2023	S. Sierra	2 - 1	ITF W25 Tucuman Women · Quarter-finals · clay
Jan. 19, 2023	S. Sierra	2 - 0	ITF W25 Buenos Aires 2 Women · 1/8-finals
Jan. 12, 2023	J. Riera	2 - 1	W25 Buenos Aires · 1/8-finals · clay
Oct. 14, 2022	S. Sierra	2 - 0	W25 Tucuman 3 · Quarter-finals · clay

Recent form

S. Sierra — 3-2 in the last 5

Date		Opponent	Score	Event
Nov. 4, 2026	L	L. Romero Gormaz	2 - 0	Cali · 1/8-finals · clay
Nov. 2, 2026	W	S. Janicijevic	0 - 2	Cali · 1/16-finals · clay
Oct. 30, 2026	L	J. Riera	2 - 1	Curitiba (Brazil) - Qualification · Quarter-finals · clay
Oct. 28, 2026	W	G. Ce	1 - 2	Curitiba (Brazil) - Qualification · 1/8-finals · clay
Oct. 27, 2026	W	J. M. Gonzalez Daniele	0 - 2	Curitiba (Brazil) - Qualification · 1/16-finals · clay

J. Riera — 3-2 in the last 5

Date		Opponent	Score	Event
Nov. 10, 2026	L	A. Tubello	2 - 0	Sopo (Colombia) - Qualification · 1/16-finals · clay
Nov. 6, 2026	L	L. Romero Gormaz	2 - 1	Cali · Semi-finals · clay
Nov. 5, 2026	W	R. Zarazua	2 - 1	Cali · Quarter-finals · clay
Nov. 4, 2026	W	J. Grabher	0 - 2	Cali · 1/8-finals · clay
Nov. 3, 2026	W	A. V. Mediorreal	0 - 2	Cali · 1/16-finals · clay

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