Bruguera earned a reputation as a top clay court player in the early 1990s, reaching singles finals at Gstaad and Geneva, and capturing doubles titles in Hamburg (his 1st ATP Masters 1000 title in doubles) partnering Jim Courier (whom would play against Bruguera later in 1993 French Open the men's singles final) in Florence, partnering Horacio de la Peña in 1990; reaching singles finals at Barcelona and Gstaad along with titles in Estoril, Monte Carlo (his 1st ATP Masters 1000 title in singles), and Athens, and a doubles title at Geneva, partnering Marc Rosset in 1991; reaching singles finals at Estoril, Bordeaux, and Athens along with titles in Madrid, Gstaad and Palermo in 1992.