| Doubles | |
|---|---|
| 1994 KAL Cup Korea Open | |
| Champions |  Stéphane Simian  Kenny Thorne |
| Runners-up | Kent Kinnear  Sébastien Lareau |
| Final score | 6–4, 3–6, 7–5 |
Jan Apell and Peter Nyborg were the defending champions, but did not participate this year.
Stéphane Simian and Kenny Thorne won the title, defeating Kent Kinnear and Sébastien Lareau 6–4, 3–6, 7–5 in the final.
David Adams / 
Andrei Olhovskiy (first round)
Jonas Björkman / 
Patrick Rafter (semifinals)
Brett Steven / Sandon Stolle (quarterfinals) Kent Kinnear / Sébastien Lareau (final)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | D Adams A Olhovskiy | 3 | 6 | ||||||||||||||||||||||||
 E-j Chang C-w Kim | 6 | 7 | E-j Chang C-w Kim | 5 | 6 | 2 | |||||||||||||||||||||
 J Bates  A Mronz | 6 | 6 | J Bates A Mronz | 7 | 3 | 6 | |||||||||||||||||||||
| Q | A Finnberg M Zoecke | 3 | 2 | J Bates A Mronz | 3 | 6 | 4 | ||||||||||||||||||||
| 4 | K Kinnear S Lareau | 3 | 6 | 6 | 4 | K Kinnear S Lareau | 6 | 3 | 6 | ||||||||||||||||||
| K Jones M Keil | 6 | 3 | 4 | 4 | K Kinnear S Lareau | 6 | 6 | ||||||||||||||||||||
| WC | H-c Shin Y-i Yoon | 6 | 3 | 4 | P Kilderry  G Pozzi | 4 | 4 | ||||||||||||||||||||
| P Kilderry G Pozzi | 3 | 6 | 6 | 4 | K Kinnear S Lareau | 4 | 6 | 5 | |||||||||||||||||||
| M Blackman L Gloria | 6 | 1 | 3 | S Simian K Thorne | 6 | 3 | 7 | ||||||||||||||||||||
| S Simian K Thorne | 3 | 6 | 6 | S Simian K Thorne | 6 | 6 | 7 | ||||||||||||||||||||
| R Matuszewski J Tarango | 2 | 2 | 3 | B Steven S Stolle | 7 | 2 | 6 | ||||||||||||||||||||
| 3 | B Steven S Stolle | 6 | 6 | S Simian K Thorne | 6 | 3 | 6 | ||||||||||||||||||||
| N Borwick M Petchey | 7 | 4 | 6 | 2 | J Björkman P Rafter | 4 | 6 | 2 | |||||||||||||||||||
| WC | S-h Ji N-h Kim | 6 | 6 | 3 | N Borwick M Petchey | 4 | 4 | ||||||||||||||||||||
J Morgan  M Ruah | 1 | 3 | 2 | J Björkman P Rafter | 6 | 6 | |||||||||||||||||||||
| 2 | J Björkman P Rafter | 6 | 6 | ||||||||||||||||||||||||
Todd Martin and Pete Sampras were the defending champions but only Martin competed that year with Scott Davis.
Sébastien Lareau and Alex O'Brien won in the final 6–3, 7–6(7–3) against Todd Woodbridge and Mark Woodforde.
Sébastien Lareau and Jeff Tarango were the defending champions but only Tarango competed that year with David Pate.
Tommy Ho and Sébastien Lareau were the defending champions but only Lareau competed that year with Brian MacPhie.
Jacco Eltingh and Paul Haarhuis were the defending champions but lost in the final 3–6, 6–4, 6–3 against Sébastien Lareau and Alex O'Brien.
Grant Stafford and Kevin Ullyett were the defending champions. Stafford chose to compete at Indianapolis in the same week. Ullyett partnered with Piet Norval but lost in the semifinals to the eventual champions Justin Gimelstob and Sébastien Lareau.
Justin Gimelstob and Sébastien Lareau won in the final over David Adams and John-Laffnie de Jager, 7–5, 6–7(2–7), 6–3.
Mahesh Bhupathi and Leander Paes were the defending champions. Bhupathi partnered Andrew Florent this year, losing in the second round. Paes did not participate this year.
Tommy Ho and Kent Kinnear were the defending champions, but Kinnear did not participate this year. Ho partnered Sébastien Lareau, successfully defending his title.
Jim Courier and Todd Woodbridge were the defending champions, but Courier did not participate this year. Woodbridge partnered Mark Woodforde, losing in the quarterfinals.
Ellis Ferreira and Patrick Galbraith were the defending champions, but did not partner together this year. Ferreira partnered Rick Leach, losing in the first round. Galbraith partnered Brett Steven, losing in the first round.
The 1998 Japan Open Tennis Championships was a tennis tournament played on outdoor hard courts at the Ariake Coliseum in Tokyo in Japan that was part of the International Series Gold of the 1998 ATP Tour and of Tier III of the 1998 WTA Tour. The tournament was held from April 13 through April 19, 1998.
Jonas Björkman and Byron Black were the defending champions, but Black did not compete this year. Björkman teamed up with Max Mirnyi and lost in quarterfinals to Sébastien Lareau and Daniel Nestor.
Max Mirnyi and Andrei Olhovskiy were the defending champions, but none competed this year. Mirnyi played in Delray Beach at the same week
Sébastien Lareau and Alex O'Brien were the defending champions, but lost in quarterfinals to Andrei Olhovskiy and David Prinosil.
Patrick Galbraith and Paul Haarhuis were the defending champions, but Haarhuis did not compete this year. Galbraith teamed up with Ellis Ferreira and lost in second round to Trevor Kronemann and David Macpherson.
Sébastien Lareau and Sébastien Leblanc defeated Clinton Marsh and Marcos Ondruska in the final, 7–6(7–5), 4–6, 6–3 to win the boys' doubles tennis title at the 1990 Wimbledon Championships.
Sébastien Lareau and Alex O'Brien were the defending champions, but lost in semifinals to Todd Woodbridge and Mark Woodforde.
Todd Woodbridge and Mark Woodforde were the defending champions, but Woodbridge did not compete this year. Woodforde teamed up with Jason Stoltenberg and lost in the first round to tournament winners Andre Agassi and Petr Korda.
Ken Flach and Rick Leach were the defending champions, but competed this year with different partners. Flach teamed up with Brian Devening and lost in the second round to tournament runners-up Sébastien Lareau and Patrick McEnroe, while Leach teamed up with David Pate and lost in the first round to Kelly Jones and Mark Keil.
Henrik Holm and Anders Järryd were the defending champions, but competed this year with different partners.