| Rk | Final Group | pts | win | drw | lst | gf | ga | g+- | | 1. | Akademik Sofia | 5 | 2 | 1 | 0 | 114: | 111 | +3 | | 2. | Spartak Sofia | 3 | 1 | 1 | 1 | 140: | 146 | -6 | | 3. | CDNA Sofia | 2 | 1 | 0 | 2 | 129: | 128 | +1 | | 4. | Udarnik Sofia | 2 | 1 | 0 | 2 | 131: | 129 | +2 |
| Team | Akad | Spar | CDNA | Udar | | Akademik Sofia | ---- | 45:45 | 37:36 | 32:30 | | Spartak Sofia | | ---- | 46:45 | | | CDNA Sofia | | | ---- | 48:45 | | Udarnik Sofia | | 56:49 | | ---- |
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| Main matches played at ploshadka DIOO ul. Alabin and ul. Tsar Kaloyan. | | First 2 teams advanced to Finals of NR Bulgaria Men 1951 Cup, won by Spartak Sofia |
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| date | team 1 _________ | score | team 2 _________ | HT | | Fri 21.09.5118:20 | Udarnik | 56-49 | Spartak | 28-21 | | Fri 21.09.5121:00 | Akademik | 37-36 | CDNV | 21-11 | | Sat 22.09.5118:20 | Spartak | 46-45 | CDNV | 32-27 | | Sat 22.09.5121:00 | Akademik | 32-30 | Udarnik | 20-20 | | Sun 23.09.5118:20 | Akademik | 45-45 | Spartak | 36-29 | | Sun 23.09.5121:00 | CDNV | 49-45 | Udarnik | 21-21 |
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| date | team 1 _________ | score | team 2 _________ | HT | | Tue 29.05.51 | Stroitelen Fakultet | 38-37 | Darzhavna Polotechnika | | Tue 29.05.51 | Udarnik | 50-35 | Dinamo | | Tue 29.05.51 | Lokomotiv | 64-47 | Stroitel | |
| Thu 31.05.51 | Spartak | 46-36 | Cherveno Zname | 25-15 | | Thu 31.05.51 | Lokomotiv | 55-51 | VUF G. Dimitrov | 15-24 | | Thu 31.05.51 | Akademik | 84-26 | Torpedo | 25-18 | | Thu 31.05.51 | USS pod. 6650 | 74-31 | Stroitel | 42-15 | | Sat 02.06.5116:00 | VUF G. Dimitrov | 50-31 | Dinamo | 22-11 | | Sat 02.06.5118:30 | USS pod. 6650 | 38-37 | Lokomotiv | 2--14 | | Sat 02.06.5121:00 | CDNV | 84-42 | Stroitel | | | Sun 03.06.51 | Akademik | 85-29 | Stopanski Fakultet | 40-14 | | Sun 03.06.51 | Cherveno Zname | 89-15 | Torpedo | 40-5 | | Sun 03.06.51 | Spartak | 45-39 | Darzhavna Politechnika | | | Tue 05.06.51 | Lokomotiv | 43-41 | Dinamo | 16-23 | | No shirts decided by draw, because 2 teams apeared with same equipment | | Tue 05.06.51 | Stopanski Fakultet | 38-36 | Cherveno Zname | 20-17 | | Cherveno Zname played without shirts. | | Tue 05.06.51 | VUF G. Dimitrov | 73-41 | Stroitel | 35-11 | | VUF played without shirts. | | Sat 15.09.51 | Akademik | 56-51 | Spartak | 29-31 | | Sat 15.09.51 | CDNV | 53-34 | Udarnik | 28-18 | | Sun 16.09.51 | Akademik | 65-30 | Darzhavna Politechnika | | | Sun 16.09.51 | Spartak | 65-20 | Torpedo | |
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