H2H data updated: 2026-09-13 00:00 UTC

Katia Piccolini vs Rosa Bielsa Hierro H2H: 1-0

Katia Piccolini holds a 1–0 lead over Rosa Bielsa Hierro in their WTA head-to-head. Across 1 main-draw meeting, Katia Piccolini leads 1–0 on clay. Most recently, Katia Piccolini won the 1990 Estoril round of 32 6-1 6-4.

ITA Age 53 Right-Handed 168 cm / 5'6"
H2H
1 0
1 main-draw meetings

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Katia Piccolini #76 6-1 6-4 Rosa Bielsa Hierro Match data Jul 19, 1990* R32 Estoril Tier V modern equivalent WTA 250 Clay

Estimated match date where the exact historical date is unavailable. Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category. Asterisked totals include editions mapped from documented historical predecessor categories. Mapping details.

Career Comparison

Player Current Peak Pts Elo W L Win % GS 1000 including documented historical predecessor categories Finals 500 including documented historical predecessor categories 250 including documented historical predecessor categories Titles
Katia Piccolini #845 #37 40 1,693 29 40 42.0% 0 0 0 0 1 1
Rosa Bielsa Hierro 1,500 0 5 0.0% 0 0 0 0 0 0

Career Progression by Age

Seasons are aligned by the age each player spent most of that calendar year. GS and Titles are cumulative career totals through that season.

Age Katia Piccolini Rosa Bielsa Hierro
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
16 1989 3–2 60.0% #180 1,537 0 0
17 1990 14–9 60.9% #47 1,667 0 0
18 1991 10–10 50.0% #64 1,668 0 1
19 1992 2–10 16.7% #102 1,549 0 1
20 1993 0–9 0.0% #197 1,435 0 1
22 1988 0–1 0.0% 1,487 0 0
23 1989 0–1 0.0% 1,470 0 0
24 1990 0–3 0.0% 1,439 0 0

Advanced Statistics Comparison by Age

Seasons are aligned by the age each player spent most of that calendar year. Metrics use eligible main-draw results; point statistics use matches with detailed data. Bold green marks the stronger value when both underlying samples are sufficient. Lower is better for Schedule because a negative value means a tougher schedule. Career Schedule is normalized per 100 matches.

Age Katia Piccolini Rosa Bielsa Hierro
Yr Elo P+ Serve+ Return+ PD TPW% Hard Elo Clay Elo Grass Elo Set Win % Set Margin Dec. Set Tiebreak Pressure+ Schedule Yr Elo P+ Serve+ Return+ PD TPW% Hard Elo Clay Elo Grass Elo Set Win % Set Margin Dec. Set Tiebreak Pressure+ Schedule
16 1989 1537 109.8 +55 63.6% +0.73 0–1 +0.67
17 1990 1668 127.8 -88 +43 61.1% +0.63 3–5 (38%) 4–2 (67%) 100.8 +1.37
18 1991 1668 121.0 +80 48.8% -0.26 2–1 (67%) 3–1 (75%) 102.5 +0.25
19 1992 1549 88.8 +29 21.4% -2.11 2–2 (50%) 2–1 (67%) 100.2 +0.48
20 1993 1435 87.8 +1 10.0% -3.15 0–2 0–2 +0.43
22 1988 1488 99.9 33.3% -1.00 0–1 1–0 +0.06
23 1989 1471 98.7 33.3% -0.33 0–1 +0.24
24 1990 1440 96.2 +5 14.3% -1.86 0–1 -0.04
Career 1694 113.9 -88 +47 44.2% -0.58 7–11 (39%) 9–6 (60%) 98.5 +4.64 1500 97.4 +5 23.1% -1.31 0–3 (0%) 1–0 +5.20

Career Rivalries

Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.