The Asia/Oceania Zone was one of three Zones of Davis Cup competition in 2003.
Group I edit
| Second Round Play-offs | First Round Play-offs | First Round | Second Round | |||||||||||||||
| New Delhi, India (clay) | ||||||||||||||||||
| S |  India | 4 | ||||||||||||||||
| Toyota, Japan (carpet) |  Japan | 1 | Kolkata, India (grass) | |||||||||||||||
| Japan | 5 | S | India | 4 | ||||||||||||||
 Pakistan | 0 | Hamilton, New Zealand | S |  New Zealand | 1 | |||||||||||||
| S | New Zealand | 5 | ||||||||||||||||
| Lahore, Pakistan (grass) | Pakistan | 0 | ||||||||||||||||
| Pakistan | 3 | |||||||||||||||||
 South Korea | 2 | Tashkent, Uzbekistan (hard) | ||||||||||||||||
 Indonesia | 2 | |||||||||||||||||
| Surabaya, Indonesia (hard) | S |  Uzbekistan | 3 | Tashkent, Uzbekistan (hard) | ||||||||||||||
| Indonesia | 3 | S | Uzbekistan | 1 | ||||||||||||||
| South Korea | 2 | Bangkok, Thailand (carpet) | S |  Thailand | 4 | |||||||||||||
| South Korea | 1 | |||||||||||||||||
| S | Thailand | 4 | ||||||||||||||||
- South Korea relegated to Group II in 2004.
- India and Thailand advance to World Group Play-off.
Group II edit
| Play-offs | First Round | Second Round | Third Round | |||||||||||||||
| Tehran, Iran (indoor clay) | ||||||||||||||||||
| S |  Lebanon | 3 | ||||||||||||||||
| Dushanbe, Tajikistan (clay) |  Iran | 2 | Colombo, Sri Lanka | |||||||||||||||
| Iran | 5 | S | Lebanon | 1 | ||||||||||||||
 Tajikistan | 0 | Hong Kong (hard) | S |  Hong Kong | 3 | |||||||||||||
| S | Hong Kong | 4 | ||||||||||||||||
| Tajikistan | 1 | Kaohsiung, Taiwan (hard) | ||||||||||||||||
| S | Hong Kong | 1 | ||||||||||||||||
| Taipei, Taiwan (carpet) | S |  Chinese Taipei | 4 | |||||||||||||||
 Kazakhstan | 1 | |||||||||||||||||
| Manila, Philippines (clay) | S | Chinese Taipei | 4 | Wuhan, China (hard) | ||||||||||||||
| Kazakhstan | 2 | S | Chinese Taipei | 3 | ||||||||||||||
 Philippines | 3 | Wuhan, China (indoor hard) | S |  China | 2 | |||||||||||||
| Philippines | 0 | |||||||||||||||||
| S | China | 3 | ||||||||||||||||
- Tajikistan and Kazakhstan relegated to Group III in 2004.
- Chinese Taipei promoted to Group I in 2004.
Group III edit
- Participating Teams
Bahrain
Kuwait — promoted to Group II in 2004
Kyrgyzstan — relegated to Group IV in 2004
Malaysia — promoted to Group II in 2004
Pacific Oceania
Qatar
Syria
United Arab Emirates — relegated to Group IV in 2004
Group IV edit
- Participating Teams
Bangladesh
Brunei
Myanmar
Oman — promoted to Group III in 2004
Saudi Arabia
Singapore
Sri Lanka
Vietnam — promoted to Group III in 2004
See also edit
| 2003 Davis Cup | ||
| ← 2002 Asia/Oceania Zone | 2004 Asia/Oceania Zone → | |
| 2003 Europe/Africa Zone | ||