Jacobo Díaz Ruiz (born 11 July 1976) is a former professional male tennis player from Spain who retired in 2004. He had a promising juniors career, highlighted by the victory at Roland Garros in 1994. The right-handed player's career-high ATP Entry ranking was World No. 68, achieved in June 2001.

Jacobo Díaz
Country (sports) Spain
ResidenceMadrid, Spain
Born (1976-07-11) 11 July 1976 (age 48)
Madrid, Spain
Height1.73 m (5 ft 8 in)
Turned pro1995
Retired2004
PlaysRight-handed (one-handed backhand)
Prize money$689,680
Singles
Career record28–62
Career titles0
3 Challenger, 2 Futures
Highest rankingNo. 68 (25 June 2001)
Grand Slam singles results
Australian Open1R (1998, 2000, 2001, 2002, 2003)
French Open3R (2001)
Wimbledon1R (2001)
US Open1R (1999, 2001)
Doubles
Career record0–3
Career titles0
0 Challenger, 0 Futures
Highest rankingNo. 526 (1 May 1995)
Last updated on: 13 December 2022.

ATP Challenger and ITF Futures finals

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Singles: 9 (5–4)

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Legend
ATP Challenger (3–4)
ITF Futures (2–0)
Finals by surface
Hard (0–0)
Clay (5–4)
Grass (0–0)
Carpet (0–0)
Result W–L Date Tournament Tier Surface Opponent Score
Loss 0–1 Jul 1996 Tampere, Finland Challenger Clay   Attila Sávolt 6–7, 6–1, 4–6
Win 1–1 Apr 1999 Barletta, Italy Challenger Clay   Guillermo Cañas 6–7(6–8), 6–0, 6–3
Loss 1–2 Apr 1999 Nice, France Challenger Clay   Gastón Gaudio 2–6, 3–6
Loss 1–3 Sep 1999 Seville, Spain Challenger Clay   Sebastián Prieto 6–4, 2–6, 1–6
Loss 1–4 Jul 2000 Venice, Italy Challenger Clay   Agustín Calleri 0–6, 1–6
Win 2–4 Aug 2000 Kyiv, Ukraine Challenger Clay   Solon Peppas 6–1, 6–3
Win 3–4 May 2001 Zagreb, Croatia Challenger Clay   Albert Montañés 7–6(7–5), 3–6, 6–2
Win 4–4 Jun 2004 Spain F12, Maspalomas Futures Clay   Juan Giner 6–3, 7–5
Win 5–4 Jul 2004 Spain F15, Gandia Futures Clay   Héctor Ruiz-Cadenas 6–4, 7–5

Performance timeline

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Key
W  F  SF QF #R RR Q# P# DNQ A Z# PO G S B NMS NTI P NH
(W) winner; (F) finalist; (SF) semifinalist; (QF) quarterfinalist; (#R) rounds 4, 3, 2, 1; (RR) round-robin stage; (Q#) qualification round; (P#) preliminary round; (DNQ) did not qualify; (A) absent; (Z#) Davis/Fed Cup Zonal Group (with number indication) or (PO) play-off; (G) gold, (S) silver or (B) bronze Olympic/Paralympic medal; (NMS) not a Masters tournament; (NTI) not a Tier I tournament; (P) postponed; (NH) not held; (SR) strike rate (events won / competed); (W–L) win–loss record.

Singles

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Tournament 1996 1997 1998 1999 2000 2001 2002 2003 SR W–L Win%
Grand Slam tournaments
Australian Open A A 1R Q3 1R 1R 1R 1R 0 / 5 0–5 0%
French Open 1R Q1 Q2 Q2 1R 3R A Q1 0 / 3 2–3 40%
Wimbledon A A A A A 1R A A 0 / 1 0–1 0%
US Open A A A 1R A 1R A A 0 / 2 0–2 0%
Win–loss 0–1 0–0 0–1 0–1 0–2 2–4 0–1 0–1 0 / 11 2–11 15%
ATP Tour Masters 1000
Miami A A A A A 2R Q1 A 0 / 1 1–1 50%
Monte Carlo A A A A A Q1 A Q1 0 / 0 0–0  – 
Rome A Q2 A Q2 A QF A A 0 / 1 3–1 75%
Hamburg A 3R 1R A A A A A 0 / 2 2–2 50%
Madrid Not Masters Series Q1 A 0 / 0 0–0  – 
Win–loss 0–0 2–1 0–1 0–0 0–0 4–2 0–0 0–0 0 / 4 6–4 60%

Junior Grand Slam Finals

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Singles: 1 (1 title)

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Result Year Tournament Surface Opponent Score
Win 1994 French Open Clay   Giorgio Galimberti 6–3, 7–6

Wins over top 10 players

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# Player Rank Event Surface Rd Score
2001
1.   Yevgeny Kafelnikov 6 Italian Open, Rome, Italy Clay 2R 7–6(7–3), 1–6, 7–5
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