# 1991 Riklis Classic – Singles

Andrei Chesnokov was the defending champion, but did not participate this year.
Leonardo Lavalle won the tournament, beating Christo van Rensburg in the final, 6–2, 3–6, 6–3.

## Seeds

* Andrei Cherkasov (quarterfinals)
* Martín Jaite (second round)
* Mark Koevermans (first round)
* Amos Mansdorf (first round)
* Olivier Delaître (quarterfinals)
* Lars Jonsson (first round)
* Javier Frana (second round)
* Jacco Eltingh (first round)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| Q | Leonardo Lavalle | 6 | 7$^7$ | | | | | | |
| | Bryan Shelton | 4 | 6$^5$ | | | | | | |
| | Bryan Shelton | 4 | 6$^5$ | | Q | Leonardo Lavalle | 6 | 3 | 6 |
| | | | | | | Christo van Rensburg | 2 | 6 | 3 |
| | Christo van Rensburg | 6 | 2 | 6 | | Christo van Rensburg | 2 | 6 | 3 |
| | Gilad Bloom | 3 | 6 | 3 | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | A Cherkasov | 7 | 6 | | | | | | | | | | | | | | | |
| WC | S Perkiss | 5 | 4 | | 1 | A Cherkasov | 6 | 7$^9$ | | | | | | | | | | |
| | C Adams | 6 | 6 | | | C Adams | 3 | 6$^7$ | | | | | | | | | | |
| Q | O Sela | 3 | 4 | | | | | | | 1 | A Cherkasov | 5 | 7$^7$ | 3 | | | | |
| | C Pridham | 6 | 6 | | | | | | | Q | L Lavalle | 7 | 6$^5$ | 6 | | | | |
| | M Wostenholme | 4 | 3 | | | C Pridham | 4 | 6$^3$ | | | | | | | | | | |
| Q | L Lavalle | 4 | 6 | 6 | Q | L Lavalle | 6 | 7$^7$ | | | | | | | | | | |
| 8 | J Eltingh | 6 | 3 | 4 | | | | | | | | | | | Q | L Lavalle | 6 | 7$^7$ |
| 3 | M Koevermans | 1 | 0 | | | | | | | | | | | | | B Shelton | 4 | 6$^5$ |
| | J Apell | 6 | 6 | | | J Apell | 5 | 6 | 4 | | | | | | | | | |
| Q | P Nyborg | 6 | 6 | | Q | P Nyborg | 7 | 4 | 6 | | | | | | | | | |
| WC | O Weinberg | 2 | 4 | | | | | | | Q | P Nyborg | 6$^4$ | 4 | | | | | |
| | V Roubíček | 3 | 6$^4$ | | | | | | | | B Shelton | 7$^7$ | 6 | | | | | |
| WC | R Weidenfeld | 6 | 7$^7$ | | WC | R Weidenfeld | 3 | 1 | | | | | | | | | | |
| | B Shelton | 6 | 7$^7$ | | | B Shelton | 6 | 6 | | | | | | | | | | |
| 6 | L Jonsson | 3 | 6$^1$ | | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 5 | O Delaître | 6 | 4 | 6 | | | | | | | | | | | | |
| | B Steven | 2 | 6 | 1 | 5 | O Delaître | 6 | 7 | | | | | | | | |
| | T Anzari | 6 | 4 | 3 | | D Rikl | 3 | 5 | | | | | | | | |
| | D Rikl | 2 | 6 | 6 | | | | | 5 | O Delaître | 3 | 3 | | | | |
| | M Laurendeau | 6 | 4 | 4 | | | | | | C van Rensburg | 6 | 6 | | | | |
| | H Holm | 1 | 6 | 6 | | H Holm | 6$^6$ | 1 | | | | | | | | |
| | C van Rensburg | 6 | 6 | | | C van Rensburg | 7$^8$ | 6 | | | | | | | | |
| 4 | A Mansdorf | 3 | 2 | | | | | | | | | | C van Rensburg | 6 | 2 | 6 |
| 7 | J Frana | 6 | 6 | | | | | | | | | | G Bloom | 3 | 6 | 3 |
| | M Schapers | 3 | 3 | | 7 | J Frana | 3 | 4 | | | | | | | | |
| Q | J Carlsson | 3 | 6 | 6 | Q | J Carlsson | 6 | 6 | | | | | | | | |
| | V Gabrichidze | 6 | 4 | 2 | | | | | Q | J Carlsson | 3 | 5 | | | | |
| | M Střelba | 3 | 2 | | | | | | | G Bloom | 6 | 7 | | | | |
| | G Bloom | 6 | 6 | | | G Bloom | 6 | 6 | | | | | | | | |
| | A Antonitsch | 3 | 1 | | 2 | M Jaite | 3 | 4 | | | | | | | | |
| 2 | M Jaite | 6 | 6 | | | | | | | | | | | | | |