

Introduction
Jaime Yzaga Tori (born 23 October 1967) is a former professional tennis player from Peru.
Tennis career
As a junior, Yzaga won theFrench Open in1985 and reached the semifinals of Wimbledon (also in 1985) and of the US Open (1984).
Yzaga played on the professional tour from 1984 to 1996, reaching career-high rankings of world No. 18 in singles and world No. 54 in doubles (both in 1989).
He was a quarterfinalist at the Australian Open in 1991, and at the US Open in 1994, reaching the final eight by defeating in back-to-back matches finalists of the previous edition: Cédric Pioline and Pete Sampras in five sets. Yzaga came back from a 2-sets-to-0 deficit against Pioline and 2-sets-to-1 against Sampras, in both those matches he won fewer points. At 5'7" / 1.70m, he was the shortest Grand Slam tournament quarterfinalist until Diego Schwartzman, also 5'7", at the 2017 U.S. Open.
He had earlier been the first-ever opponent of Sampras in the main draw of a Grand Slam tournament, in the first round of the 1988 US Open, also winning that match in 5 sets.
Since retiring as a player, Yzaga has served as captain of Peru's Davis Cup team.
Career finals
Singles (8 wins - 3 losses)
| Result | W/L | Date | Tournament | Surface | Opponent | Score |
|---|---|---|---|---|---|---|
| Win | 1–0 | Jul 1987 | Schenectady, U.S. | Hard | Jim Pugh | 0–6, 7–6, 6–1 |
| Win | 2–0 | Nov 1987 | São Paulo, Brazil | Hard | Luiz Mattar | 6–2, 4–6, 6–2 |
| Win | 3–0 | Nov 1988 | Itaparica, Brazil | Hard | Javier Frana | 7–6, 6–2 |
| Loss | 3–1 | May 1989 | Forest Hills, U.S. | Clay | Ivan Lendl | 2–6, 1–6 |
| Loss | 3–2 | Oct 1990 | São Paulo, Brazil | Carpet | Robbie Weiss | 6–3, 6–7, 3–6 |
| Win | 4–2 | May 1991 | Charlotte, U.S. | Clay | Jimmy Arias | 6–3, 7–5 |
| Win | 5–2 | Jan 1992 | Auckland, New Zealand | Hard | MaliVai Washington | 7–6, 6–4 |
| Win | 6–2 | Apr 1992 | Tampa, U.S. | Clay | MaliVai Washington | 3–6, 6–4, 6–1 |
| Loss | 6–3 | Apr 1993 | Charlotte, U.S. | Clay | Horacio de la Peña | 6–3, 3–6, 4–6 |
| Win | 7–3 | May 1993 | Tampa, U.S. | Clay | Richard Fromberg | 6–4, 6–2 |
| Win | 8–3 | Oct 1993 | Sydney Indoor, Australia | Hard (i) | Petr Korda | 6–4, 4–6, 7–6, 7–6 |
Doubles (3 losses)
| Result | W/L | Date | Tournament | Surface | Partner | Opponents | Score |
|---|---|---|---|---|---|---|---|
| Loss | 0–1 | May 1988 | Boston, U.S. | Clay | Bruno Orešar | Jorge Lozano Todd Witsken |
6–3, 5–7, 2–6 |
| Loss | 0–1 | May 1989 | Charleston, U.S. | Clay | Agustín Moreno | Mikael Pernfors Tobias Svantesson |
4–6, 6–4, 5–7 |
| Loss | 0–2 | Oct 1989 | Bordeaux, France | Clay | Agustín Moreno | Tomás Carbonell Carlos di Laura |
4–6, 3–6 |