# 1980 Davis Cup Eastern Zone

The Eastern Zone was one of the three regional zones of the 1980 Davis Cup.
10 teams entered the Eastern Zone, with 6 teams competing in the preliminary round to join the previous year's semifinalists in the main draw. Japan and India received byes into the quarterfinals, while Australia and New Zealand received byes into the semifinals. The winner of the main draw went on to compete in the Inter-Zonal Zone against the winners of the Americas Zone and Europe Zone.
Australia defeated New Zealand in the final and progressed to the Inter-Zonal Zone.

## Preliminary rounds
### Draw

| Pre-qualifying round 6–8 October 1979 | Pre-qualifying round 6–8 October 1979 | Pre-qualifying round 6–8 October 1979 | Preliminary Round 31 October–11 November 1979 | Preliminary Round 31 October–11 November 1979 | Preliminary Round 31 October–11 November 1979 |
| Chinese Taipei | Chinese Taipei | | | | |
| Chinese Taipei | Chinese Taipei | | Guam (hard) | Guam (hard) | Guam (hard) |
| bye | bye | | Guam (hard) | Guam (hard) | Guam (hard) |
| bye | bye | | Chinese Taipei | Chinese Taipei | 3 |
| | | | Thailand | Thailand | 2 |
| Philippines | Philippines | | Thailand | Thailand | 2 |
| Thailand | Thailand | w/o | | | |
| Seoul, South Korea | Seoul, South Korea | Seoul, South Korea | | | |
| South Korea | South Korea | 3 | | | |
| South Korea | South Korea | 3 | Seoul, South Korea | Seoul, South Korea | Seoul, South Korea |
| Pakistan | Pakistan | 2 | Seoul, South Korea | Seoul, South Korea | Seoul, South Korea |
| Pakistan | Pakistan | 2 | South Korea | South Korea | 5 |
| | | | Indonesia | Indonesia | 0 |
| bye | bye | | Indonesia | Indonesia | 0 |
| Indonesia | Indonesia | | | | |

### First round

South Korea vs. Pakistan
| South Korea 3 | Seoul, South Korea 6–8 October 1979 | Seoul, South Korea 6–8 October 1979 | Pakistan 2 |
| 1 2 3 4 5 1 Kim Bong-suk Saeed Meer 0 6 4 6 2 6       2 Jeon Chang-dae Nadir Ali Khan 6 0 6 2 6 3       3 Jeon Chang-dae / Jeon Young-dai Nadir Ali Khan / Saeed Meer 6 2 4 6 6 2 3 6 2 6   4 Jeon Young-dai Nadir Ali Khan 6 3 6 1 6 3       5 Jeon Chang-dae Saeed Meer 6 1 6 3 6 2 ||||

### Qualifying round

Chinese Taipei vs. Thailand
| Chinese Taipei 3 | Guam 31 October–2 November 1979 Hard | Guam 31 October–2 November 1979 Hard | Thailand 2 |
| 1 2 3 4 5 1 Wu Chang-rung Supot Meesawat 2 6 6 3 4 6 6 2 7 5   2 Hsu Huang-jung Panomkorn Pladchurnil 6 3 1 6 7 5 6 4     3 Hsu Huang-jung / Wu Chang-rung Supot Meesawat / Panomkorn Pladchurnil 8 6 11 9 3 6 3 6 6 8   4 Wu Chang-rung Panomkorn Pladchurnil 6 2 5 7 5 7 12 10 4 6   5 Hsu Huang-jung Supot Meesawat 6 1 2 6 6 3 6 3 ||||
South Korea vs. Indonesia
| South Korea 5 | Seoul, South Korea 9–11 November 1979 | Seoul, South Korea 9–11 November 1979 | Indonesia 0 |
| 1 2 3 4 5 1 Jeon Chang-dae Yustedjo Tarik 6 3 6 0 6 3       2 Kim Choon-ho Atet Wijono 6 4 6 3 6 2       3 Jeon Young-dai / Kim Choon-ho Gondo Widjojo / Atet Wijono 6 4 4 6 8 6 3 6 6 4   4 Kim Choon-ho Yustedjo Tarik 6 4 6 4 6 0       5 Jeon Chang-dae Hadiman 6 1 6 1 7 5 ||||

## Main draw
### Draw

| Quarterfinals 7–10 December 1979 | Quarterfinals 7–10 December 1979 | Quarterfinals 7–10 December 1979 | Semifinals 8–10 February | Semifinals 8–10 February | Semifinals 8–10 February | Final 7–9 March | Final 7–9 March | Final 7–9 March |
| Australia | Australia | | | | | | | |
| Australia | Australia | | Hobart, Australia (carpet) | Hobart, Australia (carpet) | Hobart, Australia (carpet) | | | |
| bye | bye | | Hobart, Australia (carpet) | Hobart, Australia (carpet) | Hobart, Australia (carpet) | | | |
| bye | bye | | Australia | Australia | 5 | | | |
| Taipei, Taiwan (indoor hard) | Taipei, Taiwan (indoor hard) | Taipei, Taiwan (indoor hard) | Australia | Australia | 5 | | | |
| Taipei, Taiwan (indoor hard) | Taipei, Taiwan (indoor hard) | Taipei, Taiwan (indoor hard) | Japan | Japan | 0 | | | |
| Japan | Japan | 5 | Japan | Japan | 0 | | | |
| Japan | Japan | 5 | | | | Brisbane, Australia (grass) | Brisbane, Australia (grass) | Brisbane, Australia (grass) |
| Chinese Taipei | Chinese Taipei | 0 | | | | Brisbane, Australia (grass) | Brisbane, Australia (grass) | Brisbane, Australia (grass) |
| Chinese Taipei | Chinese Taipei | 0 | | | | Australia | Australia | 3 |
| Seoul, South Korea | Seoul, South Korea | Seoul, South Korea | | | | Australia | Australia | 3 |
| Seoul, South Korea | Seoul, South Korea | Seoul, South Korea | | | | New Zealand | New Zealand | 1 |
| South Korea | South Korea | 3 | | | | New Zealand | New Zealand | 1 |
| South Korea | South Korea | 3 | Christchurch, New Zealand (grass) | Christchurch, New Zealand (grass) | Christchurch, New Zealand (grass) | | | |
| India | India | 2 | Christchurch, New Zealand (grass) | Christchurch, New Zealand (grass) | Christchurch, New Zealand (grass) | | | |
| India | India | 2 | South Korea | South Korea | 0 | | | |
| | | | New Zealand | New Zealand | 5 | | | |
| bye | bye | | New Zealand | New Zealand | 5 | | | |
| New Zealand | New Zealand | | | | | | | |

### Quarterfinals

Chinese Taipei vs. Japan
| Chinese Taipei 0 | Taipei, Taiwan 7–10 December 1979 Hard (indoors) | Taipei, Taiwan 7–10 December 1979 Hard (indoors) | Japan 5 |
| 1 2 3 4 5 1 Wu Chang-rung Shigeyuki Nishio 7 5 0 6 3 6 3 6     2 Hsu Huang-jung Tsuyoshi Fukui 4 6 2 6 1 6       3 Hsu Huang-jung / Wu Chang-rung Jun Kamiwazumi / Shinichi Sakamoto 2 6 2 6 4 6       4 Hsu Huang-jung Shigeyuki Nishio 2 6 4 6 8 10       5 Wu Chang-rung Tsuyoshi Fukui 2 6 3 6 4 6 ||||
South Korea vs. India
| South Korea 3 | Seoul, South Korea 7–9 December 1979 | Seoul, South Korea 7–9 December 1979 | India 2 |
| 1 2 3 4 5 1 Jeon Chang-dae Harishanker Krishnan 6 4 6 3 6 2       2 Kim Choon-ho Nandan Bal 2 6 6 3 4 6 3 6     3 Jeon Young-dai / Kim Choon-ho Nandan Bal / Sashi Menon 2 6 6 8 4 6       4 Kim Choon-ho Harishanker Krishnan 6 4 8 6 6 1       5 Jeon Young-dai Nandan Bal 5 7 6 3 6 2 6 1 ||||

### Semifinals

Australia vs. Japan
| Australia 5 | Domain Centre, Hobart, Australia 8–10 February 1980 Carpet | Domain Centre, Hobart, Australia 8–10 February 1980 Carpet | Japan 0 |
| 1 2 3 4 5 1 Mark Edmondson Tsuyoshi Fukui 6 2 6 3 4 6 6 3     2 Peter McNamara Shigeyuki Nishio 6 4 6 3 6 0       3 Brad Drewett / Mark Edmondson Jun Kamiwazumi / Shinichi Sakamoto 8 6 6 1 6 2       4 Peter McNamara Tsuyoshi Fukui 7 5 6 0 6 3       5 Mark Edmondson Shigeyuki Nishio 2 6 6 0 6 2 6 1 ||||
New Zealand vs. South Korea
| New Zealand 5 | Wilding Park, Christchurch, New Zealand 8–10 February 1980 Grass | Wilding Park, Christchurch, New Zealand 8–10 February 1980 Grass | South Korea 0 |
| 1 2 3 4 5 1 Onny Parun Kim Choon-ho 7 5 3 6 6 2 10 8     2 Chris Lewis Jeon Young-dai 6 2 6 4 6 0       3 Chris Lewis / Russell Simpson Kim Bong-suk / Kim Choon-ho 6 1 6 0 7 5       4 Chris Lewis Jeon Chang-dae 6 3 6 2 6 0       5 Onny Parun Kim Bong-suk 6 4 6 3 6 1 ||||

### Final

Australia vs. New Zealand
| Australia 3 | Milton Courts, Brisbane, Australia 7–9 March 1980 Grass | Milton Courts, Brisbane, Australia 7–9 March 1980 Grass | New Zealand 1 |
| 1 2 3 4 5 1 John Alexander Chris Lewis 7 5 7 9 10 8 4 6 5 7   2 Phil Dent Onny Parun 6 2 5 7 6 3 3 6 6 2   3 John Alexander / Phil Dent Chris Lewis / Russell Simpson 6 2 8 6 9 7       4 Phil Dent Chris Lewis 6 4 6 3 6 2       5 John Alexander Onny Parun           not played ||||