| Doubles | |
|---|---|
| 2000 Grand Prix Hassan II | |
| Champions |  Arnaud Clément Sébastien Grosjean |
| Runners-up |  Lars Burgsmüller  Andrew Painter |
| Score | 7–6(7–4), 6–4 |
Fernando Meligeni and Jaime Oncins were the defending champions, but did not participate this year.
Arnaud Clément and Sébastien Grosjean won in the final 7–6(7–4), 6–4, against Lars Burgsmüller and Andrew Painter.
Massimo Bertolini / Cristian Brandi (first round)
Lucas Arnold Ker / Martín García (quarterfinals)
Simon Aspelin / Johan Landsberg (semifinals)
Thomas Shimada / 
Myles Wakefield (quarterfinals)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | M Bertolini C Brandi | 1 | 4 | ||||||||||||||||||||||||
 P Pála P Vízner | 6 | 6 | P Pála P Vízner | 5 | 4 | ||||||||||||||||||||||
| LL | A Clément S Grosjean | 6 | 7 | LL | A Clément S Grosjean | 7 | 6 | ||||||||||||||||||||
 N Djordjevic B Ellwood | 0 | 5 | LL | A Clément S Grosjean | 6 | 6 | |||||||||||||||||||||
| 3 | S Aspelin J Landsberg | 6 | 7 | 3 | S Aspelin J Landsberg | 2 | 4 | ||||||||||||||||||||
 F Montana  K Spencer | 4 | 5 | 3 | S Aspelin J Landsberg | 7 | 6 | |||||||||||||||||||||
 E Benfele Álvarez A Martín | 6 | 6 | E Benfele Álvarez A Martín | 5 | 4 | ||||||||||||||||||||||
| WC |  H Arazi M Keil | 1 | 4 | LL | A Clément S Grosjean | 77 | 6 | ||||||||||||||||||||
| Q | L Burgsmüller A Painter | 711 | 3 | 7 | Q | L Burgsmüller A Painter | 64 | 4 | |||||||||||||||||||
| G Silcock J Weir-Smith | 69 | 6 | 5 | Q | L Burgsmüller A Painter | 7 | 6 | ||||||||||||||||||||
 A Prieto C Testa | 6 | 3 | 4 | 4 | T Shimada M Wakefield | 5 | 3 | ||||||||||||||||||||
| 4 | T Shimada M Wakefield | 4 | 6 | 6 | Q | L Burgsmüller A Painter | 3 | 6 | 6 | ||||||||||||||||||
| WC | P Albano K Alami | 6 | 2 | 77 | WC | P Albano K Alami | 6 | 3 | 1 | ||||||||||||||||||
| A López Morón A Portas | 3 | 6 | 63 | WC | P Albano K Alami | 0 | 6 | 77 | |||||||||||||||||||
 N Behr E Ran | 2 | 2 | 2 | L Arnold Ker M García | 6 | 4 | 65 | ||||||||||||||||||||
| 2 | L Arnold Ker M García | 6 | 6 | ||||||||||||||||||||||||
Andy Murray was the defending champion, and as the third seed won in the final 6–7(3–7), 6–4, 7–6(7–2), against unseeded Ivo Karlović.
Wayne Ferreira won in the final 6–4, 6–7(3–7), 6–1, against Richey Reneberg.
Ana Ivanovic was the defending champion, but chose to participate in Linz instead.
The 1999 Open Gaz de France singles was the singles event of the seventh edition of the Open GDF Suez; a WTA Tier II tournament held in Paris, France. Mary Pierce was the defending champion but did not compete that year.
The 1999 Estoril Open women's doubles was the doubles event of the first edition of the WTA Tour Estoril Open; a WTA Tier IV tournament and the most prestigious women's tennis tournament held in Portugal. This tournament was part of the ITF Tour last year, and it was won by Caroline Dhenin and Émilie Loit. They did not compete in the event this year.
Martin Verkerk was the defending champion but lost in the quarterfinals to Grégory Carraz.
Thomas Johansson was the defending champion but lost in the semifinal 6–4, 6–4 against Richard Krajicek.
Wayne Ferreira was the defending champion, but did not participate this year.
Richard Krajicek was the defending champion, but lost in the quarterfinals this year.
Nicolás Massú was the defending champion, but lost in the semifinals this year.
Jordi Arrese was the defending champion, but lost in the quarterfinals this year.
Olivier Delaître and Fabrice Santoro were the defending champions, but lost in the quarterfinals this year.
Chuck Adams was the defending champion, but lost in the quarterfinals this year.
Bob and Mike Bryan were the two-time defending champions but lost in the final to Julien Benneteau and Nenad Zimonjić 6–4, 6–7(4–7), [12–14].
Wayne Black and Kevin Ullyett were the defending champions, but lost in second round to Mario Ančić and Ivan Ljubičić.
Rohan Bopanna and Florin Mergea were the defending champions, but lost to Jean-Julien Rojer and Horia Tecău in the final, 4–6, 6–7(5–7).
Anke Huber was the defending champion, but lost in semifinals to Gabriela Sabatini.
Lourdes Domínguez Lino took revenge for losing the final in last year and defeated the defending champion Flavia Pennetta 7–6(7–3), 6–4 in the final.
Magnus Gustafsson successfully defended his title, by defeating Tomás Carbonell 5–7, 7–5, 6–4 in the final.
Alberto Berasategui was the defending champion, but lost in the quarterfinals to Carlos Costa.