| Singles | |
|---|---|
| 1991 Salem Open | |
| Champion |  Richard Krajicek |
| Runner-up |  Wally Masur |
| Score | 6–2, 3–6, 6–3 |
| Draw | 32 (3WC/4Q/1LL) |
| Seeds | 8 |
Pat Cash was the defending champion, but did not compete this year.
Richard Krajicek won the title by defeating Wally Masur 6–2, 3–6, 6–3 in the final. [1] [2]
Michael Chang (quarterfinals) John McEnroe (firstround)
Michael Stich (first round)
Jakob Hlasek (first round) Aaron Krickstein (first round)
Anders Järryd (second round, retired)
Amos Mansdorf (second round) Todd Woodbridge (first round)| Semifinals | Final | ||||||||||||
 Gary Muller | 2 | 4 | |||||||||||
| Richard Krajicek | 6 | 6 | |||||||||||
| Richard Krajicek | 6 | 3 | 6 | ||||||||||
| Wally Masur | 2 | 6 | 3 | ||||||||||
| Wally Masur | 4 | 77 | 6 | ||||||||||
 Alex Antonitsch | 6 | 62 | 3 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | M Chang | 6 | 6 | ||||||||||||||||||||||||
| K Jones | 2 | 3 | 1 | M Chang | 7 | 65 | 6 | ||||||||||||||||||||
| C van Rensburg | 6 | 5 | 7 | C van Rensburg | 5 | 77 | 4 | ||||||||||||||||||||
 R Krishnan | 2 | 7 | 5 | 1 | M Chang | 7 | 3 | 61 | |||||||||||||||||||
| G Muller | 6 | 6 | G Muller | 5 | 6 | 77 | |||||||||||||||||||||
 J Yzaga | 3 | 4 | G Muller | 6 | 1 | 6 | |||||||||||||||||||||
| WC | T Ho | 6 | 6 | WC | T Ho | 1 | 6 | 3 | |||||||||||||||||||
| 8 | T Woodbridge | 4 | 2 | G Muller | 2 | 4 | |||||||||||||||||||||
| 3 | M Stich | 5 | 4 | R Krajicek | 6 | 6 | |||||||||||||||||||||
 E Masso | 7 | 6 | E Masso | 1 | 3 | ||||||||||||||||||||||
| R Krajicek | 6 | 68 | 6 | R Krajicek | 6 | 6 | |||||||||||||||||||||
| LL | N Borwick | 4 | 710 | 3 | R Krajicek | 78 | 2 | 6 | |||||||||||||||||||
| P Kühnen | 6 | 6 | P Kühnen | 66 | 6 | 1 | |||||||||||||||||||||
| Q | J Stimpson | 4 | 4 | P Kühnen | 77 | 1 | |||||||||||||||||||||
| U Riglewski | 2 | 1 | 6 | A Järryd | 65 | 0r | |||||||||||||||||||||
| 6 | A Järryd | 6 | 6 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 5 | A Krickstein | 64 | 1 | ||||||||||||||||||||||||
| K Curren | 77 | 6 | K Curren | 6 | 1 | 5 | |||||||||||||||||||||
| WC |  F Barrientos | 6 | 6 | WC | F Barrientos | 1 | 6 | 7 | |||||||||||||||||||
| Q |  N Brown | 1 | 4 | WC | F Barrientos | 0 | 1 | ||||||||||||||||||||
| Q |  G Michibata | 1 | 77 | 6 | W Masur | 6 | 6 | ||||||||||||||||||||
| M Kratzmann | 6 | 65 | 2 | Q | G Michibata | 3 | 2 | ||||||||||||||||||||
| W Masur | 6 | 78 | W Masur | 6 | 6 | ||||||||||||||||||||||
| 4 | J Hlasek | 4 | 66 | W Masur | 4 | 77 | 6 | ||||||||||||||||||||
| 7 | A Mansdorf | 6 | 63 | 6 | A Antonitsch | 6 | 62 | 3 | |||||||||||||||||||
| Q |  G Pozzi | 3 | 77 | 4 | 7 | A Mansdorf | 77 | 4 | 2 | ||||||||||||||||||
| A Mronz | 6 | 6 | A Mronz | 64 | 6 | 6 | |||||||||||||||||||||
| WC |  M Walker | 3 | 3 | A Mronz | 6 | 3 | 4 | ||||||||||||||||||||
 G Raoux | 4 | 6 | 5 | A Antonitsch | 3 | 6 | 6 | ||||||||||||||||||||
| A Antonitsch | 6 | 4 | 7 | A Antonitsch | 6 | 77 | |||||||||||||||||||||
| T Witsken | 6 | 5 | 77 | T Witsken | 1 | 63 | |||||||||||||||||||||
| 2 | J McEnroe | 3 | 7 | 63 | |||||||||||||||||||||||
Carlos Moyá defeated Àlex Corretja in the final, 6–3, 7–5, 6–3 to win the men's singles tennis title at the 1998 French Open. It was his first and only major singles title.
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The 1999 Salem Open was a men's tennis tournament played on Hard courts in Hong Kong that was part of the International Series of the 1999 ATP Tour. It was the twenty-fourth edition of the tournament and was held from 5 April – 12 April.
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Sergio Casal and Emilio Sánchez were the defending champions, but none competed this year. Sánchez opted to rest after winning at Stuttgart in the previous week, alongside Wally Masur.
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