| Doubles | |
|---|---|
| 1999 Majorca Open | |
| Champions |  Lucas Arnold Ker  Tomás Carbonell |
| Runners-up | Alberto Berasategui Francisco Roig |
| Score | 6–1, 6–4 |
| Draw | 16 |
| Seeds | 4 |
Pablo Albano and Daniel Orsanic were the defending champions, but did not participate together this year. Albano did not participate this year. Orsanic partnered Jaime Oncins, losing in the quarterfinals.
Lucas Arnold Ker and Tomás Carbonell won in the final 6–1, 6–4, against Alberto Berasategui and Francisco Roig.
Jaime Oncins / Daniel Orsanic (quarterfinals) Lucas Arnold Ker / Tomás Carbonell (champions) Alberto Martín / Javier Sánchez (first round)
Massimo Bertolini / Martín Rodríguez (first round)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | J Oncins D Orsanic | 61 | 6 | 7 | |||||||||||||||||||||||
| WC | G Blanco  JA Marín | 77 | 4 | 5 | 1 | J Oncins D Orsanic | 7 | 4 | 3 | ||||||||||||||||||
| WC | F López M Marco Ripoll | 2 | 3 | A Berasategui F Roig | 5 | 6 | 6 | ||||||||||||||||||||
| A Berasategui F Roig | 6 | 6 | A Berasategui F Roig | 7 | 68 | 6 | |||||||||||||||||||||
| 4 | M Bertolini M Rodríguez | 4 | 65 | J Alonso J Balcells | 5 | 710 | 2 | ||||||||||||||||||||
| E Nicolás G Puentes | 6 | 77 | E Nicolás G Puentes | 4 | 4 | ||||||||||||||||||||||
| J Alonso J Balcells | 7 | 6 | J Alonso J Balcells | 6 | 6 | ||||||||||||||||||||||
 J Knippschild D Prinosil | 5 | 4 | A Berasategui F Roig | 1 | 4 | ||||||||||||||||||||||
 N Behr E Ran | 1 | 62 | 2 | L Arnold Ker T Carbonell | 6 | 6 | |||||||||||||||||||||
| JI Carrasco J Velasco Jr. | 6 | 77 | JI Carrasco J Velasco Jr. | 7 | 6 | ||||||||||||||||||||||
| Q | O Burrieza-Lopez  D Hrbatý | 6 | 77 | Q | O Burrieza-Lopez D Hrbatý | 5 | 4 | ||||||||||||||||||||
| 3 | A Martín J Sánchez | 1 | 62 | JI Carrasco J Velasco Jr. | 4 | 2 | |||||||||||||||||||||
| Á Calatrava A Portas | 3 | 4 | 2 | L Arnold Ker T Carbonell | 6 | 6 | |||||||||||||||||||||
M Hilpert  V Snyman | 6 | 6 | M Hilpert V Snyman | 5 | 4 | ||||||||||||||||||||||
| WC | C Costa T Robredo | 3 | 3 | 2 | L Arnold Ker T Carbonell | 7 | 6 | ||||||||||||||||||||
| 2 | L Arnold Ker T Carbonell | 6 | 6 | ||||||||||||||||||||||||
Gustavo Kuerten and Antonio Prieto were the defending champions but only Prieto competed that year with Álex Calatrava.
Lucas Arnold and Tomás Carbonell won in the final 5–7, 7–5, 7–6(7–5) against Mariano Hood and Sebastián Prieto.
Byron Black and Donald Johnson were the defending champions but only Johnson competed that year with Gustavo Kuerten.
Pablo Albano and Cyril Suk were the defending champions but they competed with different partners that year, Albano with Lucas Arnold and Suk with Marius Barnard.
Alberto Martín and Eyal Ran were the defending champions but only Martín competed that year with Paul Rosner.
Tomás Carbonell and Martín García were the defending champions but only Carbonell competed that year with Daniel Orsanic.
Lucas Arnold and Tomás Carbonell were the defending champions but only Arnold competed that year with Luis Lobo.
Lucas Arnold and Tomás Carbonell were the defending champions but only Arnold competed that year with Luis Lobo.
Fernando Meligeni and Jaime Oncins were the defending champions, but did not participate this year.
Karim Alami and Julián Alonso were the defending champions, but did not participate together this year. Alami did not participate this year. Alonso partnered Carlos Moyá, losing in the first round.
Àlex Corretja defeated Boris Becker in the final, 7–6(7–5), 7–5, 6–3 to win the singles tennis title at the 1998 Swiss Open.
The 1998 Generali Open was a men's tennis tournament played on Clay in Kitzbühel, Austria that was part of the International Series of the 1998 ATP Tour. It was the forty-third edition of the tournament and was held from 27 July – 2 August 1998.
Jaime Oncins and Daniel Orsanic were the defending champions, but lost in first round to Magnus Norman and Marat Safin.
Lucas Arnold Ker and Jaime Oncins win the title by defeating Marc-Kevin Goellner and Eric Taino 6–4, 7–6(7–1) in the final.
Lucas Arnold Ker and Martín García were the defending champions, but competed this year with different partners. Arnold Ker teamed up with Pablo Albano and lost in quarterfinals to Devin Bowen and Mariano Hood, while García teamed up with Tomás Carbonell and lost in semifinals to Alberto Martín and Eyal Ran.
Donald Johnson and Cyril Suk were the defending champions, but competed this year with different partners. Johnson teamed up with Lucas Arnold Ker and lost in the first round to Nicolas Kiefer and Max Mirnyi, while Suk teamed up with Aleksandar Kitinov and also lost in first round to Roger Federer and Marc Rosset.
Tom Kempers and Daniel Orsanic were the defending champions, but Kempers did not compete this year. Orsanic teamed up with Tomás Carbonell and lost in the second round to Jürgen Melzer and Alexander Peya.
Chris Haggard and Peter Nyborg were the defending champions, but competed this year with different partners. Haggard teamed up with Tom Vanhoudt and lost in the semifinals to Pablo Albano and Cyril Suk, while Nyborg teamed up with Aleksandar Kitinov and also lost in the semifinals to Joshua Eagle and Andrew Florent.
Andrei Pavel and Gabriel Trifu were the defending champions, but were forced to withdraw before their semifinal match.
Donald Johnson and Francisco Montana were the defending champions, but Johnson chose to compete at Basel in the same week. Montana teamed up with Nebojša Đorđević and lost in the first round to Pablo Albano and Guillermo Cañas.