| Doubles | |
|---|---|
| 1991 Newsweek Champions Cup | |
| Champions |  Jim Courier  Javier Sánchez |
| Runners-up |  Guy Forget Henri Leconte |
| Final score | 7–6, 3–6, 6–3 |
Boris Becker and Guy Forget were the defending champions, but Becker did not participate this year. Forget partnered Henri Leconte.
Jim Courier and Javier Sánchez won the title, defeating Forget and Leconte 7–6, 3–6, 6–3 in the final.
Scott Davis / David Pate (quarterfinals) Sergio Casal / Emilio Sánchez (second round) Rick Leach / Jim Pugh (second round)
Darren Cahill / Mark Kratzmann (second round)
Udo Riglewski / Michael Stich (quarterfinals)
Pieter Aldrich / Danie Visser (first round)
Grant Connell / Glenn Michibata (second round) Jim Grabb / Gary Muller (semifinals)| Semifinals | Final | ||||||||||||
| Jim Courier Javier Sánchez | 6 | 4 | 6 | ||||||||||
| John Fitzgerald Kelly Jones | 4 | 6 | 3 | ||||||||||
| Jim Courier Javier Sánchez | 7 | 3 | 6 | ||||||||||
| WC | Guy Forget Henri Leconte | 6 | 6 | 3 | |||||||||
| WC | Guy Forget Henri Leconte | 6 | 6 | ||||||||||
| 8 | Jim Grabb Gary Muller | 3 | 3 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | S Davis D Pate | 4 | 6 | 7 | |||||||||||||||||||||||
| S Kruger D Wheaton | 7 | 6 | S Kruger D Wheaton | 6 | 3 | 6 | |||||||||||||||||||||
| S Bruguera T Carbonell | 5 | 3 | 1 | S Davis D Pate | 7 | 3 | 2 | ||||||||||||||||||||
| WC |  D Ekerot D Isaak | 1 | 6 | J Courier J Sánchez | 6 | 6 | 6 | ||||||||||||||||||||
| J Courier J Sánchez | 6 | 7 | J Courier J Sánchez | 7 | 6 | ||||||||||||||||||||||
 N Broad K Curren | 3 | 4 | 7 | G Connell G Michibata | 6 | 3 | |||||||||||||||||||||
| 7 | G Connell G Michibata | 6 | 6 | J Courier J Sánchez | 6 | 4 | 6 | ||||||||||||||||||||
| J Fitzgerald K Jones | 4 | 6 | 3 | ||||||||||||||||||||||||
| 4 | D Cahill M Kratzmann | 4 | 1 | ||||||||||||||||||||||||
| J Fitzgerald K Jones | 6 | 6 | J Fitzgerald K Jones | 6 | 6 | ||||||||||||||||||||||
| Q |  H de la Peña  L Mattar | 2 | 4 | J Fitzgerald K Jones | 6 | 7 | |||||||||||||||||||||
| J Brown S Melville | 6 | 4 | 1 | 5 | U Riglewski M Stich | 1 | 6 | ||||||||||||||||||||
| WC | K Flach R Seguso | 4 | 6 | 6 | WC | K Flach R Seguso | 4 | 6 | 6 | ||||||||||||||||||
L Jensen  J Lozano | 4 | 5 | 5 | U Riglewski M Stich | 6 | 3 | 7 | ||||||||||||||||||||
| 5 | U Riglewski M Stich | 6 | 7 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 6 | P Aldrich D Visser | 6 | 3 | ||||||||||||||||||||||||
| K Kinnear S Salumaa | 7 | 6 | K Kinnear S Salumaa | 7 | 6 | 5 | |||||||||||||||||||||
 A Gómez C Motta | 2 | 2 | B Garrow B Pearce | 6 | 7 | 7 | |||||||||||||||||||||
| B Garrow B Pearce | 6 | 6 | B Garrow B Pearce | 6 | 1 | ||||||||||||||||||||||
| WC | G Forget H Leconte | 6 | 7 | 6 | WC | G Forget H Leconte | 7 | 6 | |||||||||||||||||||
| W Ferreira L Warder | 7 | 5 | 3 | WC | G Forget H Leconte | 1 | 7 | 6 | |||||||||||||||||||
| 3 | R Leach J Pugh | 6 | 6 | 1 | |||||||||||||||||||||||
| WC | G Forget H Leconte | 6 | 6 | ||||||||||||||||||||||||
| 8 | J Grabb G Muller | 4 | 7 | 6 | 8 | J Grabb G Muller | 3 | 3 | |||||||||||||||||||
| Q |  D Nargiso P Norval | 6 | 6 | 3 | 8 | J Grabb G Muller | 7 | 7 | |||||||||||||||||||
| W Masur J Stoltenberg | 6 | 6 | 5 | B Dyke P Lundgren | 5 | 6 | |||||||||||||||||||||
| B Dyke P Lundgren | 7 | 2 | 7 | 8 | J Grabb G Muller | 6 | 7 | ||||||||||||||||||||
| P Galbraith T Witsken | 6 | 4 | 7 | P Galbraith T Witsken | 0 | 5 | |||||||||||||||||||||
 G Ivanišević  P Korda | 2 | 6 | 5 | P Galbraith T Witsken | 6 | 6 | 6 | ||||||||||||||||||||
| 2 | S Casal E Sánchez | 7 | 3 | 4 | |||||||||||||||||||||||
Jim Courier defeated Andre Agassi in the final, 3–6, 6–4, 2–6, 6–1, 6–4 to win the men's singles tennis title at the 1991 French Open.
Pat Cash defeated Ivan Lendl in the final, 7–6(7–5), 6–2, 7–5 to win the gentlemen's singles tennis title at the 1987 Wimbledon Championships. It was Lendl's second runner-up finish at Wimbledon, preventing him from completing the career Grand Slam.
Stefan Edberg defeated Boris Becker in the final, 4–6, 7–6(7–2), 6–4, 6–2 to win the gentlemen's singles tennis title at the 1988 Wimbledon Championships. Most of the final was played on the third Monday. On the Sunday, Becker and Edberg only managed 22 minutes of constantly interrupted play due to rain, and managed just five games, with Edberg leading 3–2 in the first set. The rest of the final was played the next day
Stefan Edberg defeated the defending champion Boris Becker in the final, 6–2, 6–2, 3–6, 3–6, 6–4 to win the gentlemen's singles tennis title at the 1990 Wimbledon Championships.
Mats Wilander defeated Henri Leconte in the final, 7–5, 6–2, 6–1 to win the men's singles tennis title at the 1988 French Open. It was his third and final French Open singles title. Leconte remains the most recent Frenchman to reach the final.
Jim Courier defeated Stefan Edberg in the final, 6–3, 3–6, 6–4, 6–2 to win the men's singles tennis title at the 1992 Australian Open.
Jim Courier defeated Carlos Costa in the final, 7–6(7–3), 6–0, 6–4 to win the men's singles tennis title at the 1992 Italian Open.
Boris Becker defeated the defending champion Guy Forget in the final, 7–6(7–3), 6–3, 3–6, 6–3 to win the singles tennis title at the 1992 Paris Open.
Andrei Chesnokov defeated Thomas Muster in the final, 7–5, 6–3, 6–3 to win the singles tennis title at the 1990 Monte Carlo Open.
Boris Becker defeated Stefan Edberg in the final, 6–4, 6–0, 6–3 to win the singles tennis title at the 1990 Stockholm Open.
Joakim Nyström was the defending champion but lost in the third round to Jakob Hlasek.
Guy Forget and Yannick Noah were the defending champions but only Forget competed that year with Boris Becker.
Ivan Lendl was the defending champion and won in the final 6–3, 6–2 against Boris Becker.
Sergi Bruguera defeated Boris Becker in the final, 5–7, 6–4, 7–6(8–6), 7–6(7–4) to win the singles tennis title at the 1991 Monte Carlo Open.
Henri Leconte was the champion of the event when it last took place, in 1988. He participated in 1990 but lost in the first round.
Boris Becker won the title, defeating Carl-Uwe Steeb 7–5, 6–2, 6–2, in the final.
Guy Forget and Henri Leconte were the defending champions, but did not participate this year.
Jim Courier defeated David Wheaton in the final, 4–6, 6–3, 6–4 to win the men's singles tennis title at the 1991 Miami Open.
The men's doubles tournament at the 1988 US Open was held from August 29 to September 11, 1988, on the outdoor hard courts at the USTA National Tennis Center in New York City, United States. Sergio Casal and Emilio Sánchez won the title, defeating Rick Leach and Jim Pugh by walkover in the final.
Mats Wilander was the defending champion, but lost to Claudio Pistolesi in the third round.
Guy Forget defeated Pete Sampras in the final, 2–6, 7–6(7–4), 6–4 to win the singles tennis title at the 1991 Cincinnati Masters.