| month | day | visitor | score | home | score |
| November | 5, 1999 | Sonics | 110 | Magic | 105 |
| November | 6, 1999 | Knicks | 109 | Sonics | 72 |
| November | 7, 1999 | Sonics | 101 | Suns | 120 |
| November | 10, 1999 | Nets | 73 | Sonics | 99 |
| November | 12, 1999 | Grizzlies | 92 | Sonics | 100 |
| November | 15, 1999 | Sonics | 101 | 76ers | 103 |
| November | 17, 1999 | Suns | 98 | Sonics | 95 |
| November | 23, 1999 | Sonics | 94 | Grizzlies | 100 |
| November | 25, 1999 | Hawks | 100 | Sonics | 107 |
| November | 26, 1999 | Blazers | 120 | Sonics | 104 |
| November | 27, 1999 | Sonics | 93 | Knicks | 102 |
| November | 29, 1999 | Sonics | 96 | Lakers | 99 |
| December | 5, 1999 | Sonics | 111 | Lakers | 112 |
| December | 9, 1999 | Sonics | 90 | Wolves | 100 |
| December | 10, 1999 | Lakers | 83 | Sonics | 102 |
| December | 13, 1999 | Clippers | 105 | Sonics | 92 |
| December | 15, 1999 | Bullets | 84 | Sonics | 97 |
| December | 16, 1999 | Pacers | 94 | Sonics | 99 |
| December | 20, 1999 | Spurs | 97 | Sonics | 111 |
| December | 23, 1999 | Mavericks | 99 | Sonics | 108 |
| December | 24, 1999 | Sonics | 93 | Jazz | 103 |
| December | 26, 1999 | Sonics | 89 | Nets | 105 |
| December | 29, 1999 | Lakers | 103 | Sonics | 93 |
| December | 30, 1999 | Hornets | 96 | Sonics | 101 |
| December | 31, 1999 | Pistons | 97 | Sonics | 107 |
| January | 1, 2000 | Sonics | 82 | Raptors | 84 |
| January | 3, 2000 | Sonics | 102 | Warriors | 111 |
| January | 4, 2000 | Sonics | 91 | Spurs | 105 |
| January | 7, 2000 | Sonics | 97 | Hawks | 113 |
| January | 9, 2000 | Bucks | 112 | Sonics | 98 |
| January | 10, 2000 | Sonics | 80 | Kings | 115 |
| January | 13, 2000 | Sonics | 98 | Bucks | 118 |
| January | 15, 2000 | Sonics | 93 | Warriors | 103 |
| January | 19, 2000 | Clippers | 124 | Sonics | 127 |
| January | 20, 2000 | Bulls | 86 | Sonics | 99 |
| January | 22, 2000 | Sonics | 94 | Bulls | 86 |
| January | 23, 2000 | Grizzlies | 90 | Sonics | 98 |
| January | 26, 2000 | Wolves | 111 | Sonics | 117 |
| January | 31, 2000 | Sonics | 94 | Pacers | 99 |
| February | 10, 2000 | 76ers | 86 | Sonics | 98 |
| February | 13, 2000 | Sonics | 98 | Mavericks | 107 |
| February | 14, 2000 | Blazers | 93 | Sonics | 105 |
| February | 15, 2000 | Nuggets | 110 | Sonics | 104 |
| February | 17, 2000 | Sonics | 89 | Kings | 96 |
| February | 22, 2000 | Sonics | 93 | Celtics | 122 |
| February | 23, 2000 | Sonics | 89 | Nuggets | 116 |
| February | 24, 2000 | Magic | 96 | Sonics | 84 |
| February | 26, 2000 | Wolves | 120 | Sonics | 117 |
| March | 1, 2000 | Rockets | 102 | Sonics | 96 |
| March | 2, 2000 | Sonics | 86 | Mavericks | 106 |
| March | 5, 2000 | Sonics | 101 | Hornets | 93 |
| March | 6, 2000 | Sonics | 94 | Nuggets | 111 |
| March | 7, 2000 | Spurs | 105 | Sonics | 99 |
| March | 8, 2000 | Warriors | 108 | Sonics | 116 |
| March | 10, 2000 | Lakers | 112 | Sonics | 92 |
| March | 12, 2000 | Kings | 101 | Sonics | 81 |
| March | 13, 2000 | Sonics | 100 | Rockets | 84 |
| March | 15, 2000 | Sonics | 90 | Rockets | 93 |
| March | 16, 2000 | Sonics | 105 | Suns | 109 |
| March | 21, 2000 | Sonics | 98 | Blazers | 131 |
| March | 23, 2000 | Warriors | 83 | Sonics | 101 |
| March | 24, 2000 | Sonics | 118 | Pistons | 107 |
| March | 25, 2000 | Sonics | 96 | Blazers | 138 |
| March | 26, 2000 | Kings | 104 | Sonics | 96 |
| March | 28, 2000 | Cavaliers | 82 | Sonics | 100 |
| March | 29, 2000 | Sonics | 104 | Jazz | 90 |
| March | 30, 2000 | Sonics | 86 | Bullets | 105 |
| April | 1, 2000 | Heat | 97 | Sonics | 88 |
| April | 2, 2000 | Raptors | 96 | Sonics | 114 |
| April | 5, 2000 | Sonics | 75 | Heat | 106 |
| April | 6, 2000 | Sonics | 91 | Warriors | 114 |
| April | 10, 2000 | Sonics | 102 | Clippers | 92 |
| April | 14, 2000 | Kings | 109 | Sonics | 81 |
| April | 16, 2000 | Sonics | 108 | Cavaliers | 97 |
| April | 17, 2000 | Suns | 112 | Sonics | 86 |
| April | 18, 2000 | Sonics | 91 | Clippers | 108 |
| April | 19, 2000 | Jazz | 100 | Sonics | 104 |
| April | 20, 2000 | Sonics | 88 | Spurs | 101 |
| April | 22, 2000 | Celtics | 121 | Sonics | 107 |
| April | 23, 2000 | Blazers | 114 | Sonics | 97 |
| April | 24, 2000 | Sonics | 86 | Suns | 98 |
| April | 25, 2000 | Clippers | 95 | Sonics | 76 |