The 1999 Swisscom Challenge was a women's tennis tournament played on indoor hard courts at the Schluefweg in Zurich, Switzerland that was part of Tier I of the 1999 WTA Tour. It was the 16th edition of the tournament and was held from 10 October until 17 October 1999. Second-seeded Venus Williams won the singles title.
| 1999 Swisscom Challenge | |
|---|---|
| Date | 10–17 October |
| Edition | 16th |
| Category | Tier I |
| Draw | 28S / 16D |
| Surface | Hard / indoor |
| Location | Zurich, Switzerland |
| Venue | Schluefweg |
| Champions | |
| Singles | |
 Venus Williams | |
| Doubles | |
Lisa Raymond /  Rennae Stubbs | |
Entrants edit
Seeds edit
- Ranking date 4 October 1999
| Country | Player | Rank | Seed |
|---|---|---|---|
 SUI
|
Martina Hingis | 1 | 1 |
| USA
|
Venus Williams | 3 | 2 |
 FRA
|
Mary Pierce | 6 | 3 |
 RSA
|
Amanda Coetzer | 7 | 4 |
 AUT
|
Barbara Schett | 8 | 5 |
| FRA
|
Julie Halard-Decugis | 9 | 6 |
 BEL
|
Dominique Van Roost | 10 | 7 |
| FRA
|
Nathalie Tauziat | 11 | 8 |
Other entrants edit
The following players received wildcards into the singles main draw:
The following players received wildcards into the doubles main draw:
The following players received entry from the qualifying draw:
The following player received entry as a lucky loser:
Finals edit
Singles edit
Venus Williams defeated Martina Hingis 6–3, 6–4
- It was Williams' 6th title of the year and the 9th of her career.
Doubles edit
Lisa Raymond / Rennae Stubbs defeated Nathalie Tauziat / 
Natasha Zvereva 6–2, 6–2
- It was Raymond's 3rd title of the year and the 12th of her career. It was also Stubbs' 3rd title of the year, but the 17th of her career.