| 03 Oct 12 | r01        | BonnBonn | 83 - 76 | Mitteldeutscher BCMitteldeutsch |
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| 10 Oct 12 | r03        | BonnBonn | 70 - 78 | BayreuthBayreuth |
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| 13 Oct 12 | r04        | BraunschweigBraunschweig | 66 - 83 | BonnBonn |
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| 21 Oct 12 | r05        | BonnBonn | 67 - 78 | Artland DragonsArtland Drago |
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| 27 Oct 12 | r06        | Frankfurt SkylinersFrankfurt Sky | 78 - 53 | BonnBonn |
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| 03 Nov 12 | r07        | BonnBonn | 90 - 57 | EWE Baskets OldenburgEWE Baskets O |
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| 10 Nov 12 | r08        | UlmUlm | 103 - 107 | BonnBonn |
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| 17 Nov 12 | r09        | BonnBonn | 87 - 100 | BremerhavenBremerhaven |
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| 25 Nov 12 | r10        | Gießen 46ersGießen 46ers | 88 - 79 | BonnBonn |
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| 02 Dec 12 | r11        | BonnBonn | 100 - 74 | LudwigsburgLudwigsburg |
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| 09 Dec 12 | r12        | Bayern München BasketballBayern Münche | 104 - 91 | BonnBonn |
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| 16 Dec 12 | r13        | BonnBonn | 72 - 85 | s.Oliver Würzburgs.Oliver Würz |
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| 22 Dec 12 | r14        | Brose BambergBrose Bamberg | 92 - 78 | BonnBonn |
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| 27 Dec 12 | r15        | BonnBonn | 94 - 96 | Tigers TübingenTigers Tübing |
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| 30 Dec 12 | r16        | Phoenix HagenPhoenix Hagen | 101 - 103 | BonnBonn |
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| 06 Jan 13 | r17        | BonnBonn | 90 - 76 | Gladiators TrevesGladiators Tr |
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| 09 Jan 13 | r18        | BayreuthBayreuth | 77 - 61 | BonnBonn |
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| 12 Jan 13 | r19        | BonnBonn | 74 - 64 | BraunschweigBraunschweig |
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| 27 Jan 13 | r20        | BremerhavenBremerhaven | 75 - 90 | BonnBonn |
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| 02 Feb 13 | r21        | s.Oliver Würzburgs.Oliver Würz | 58 - 74 | BonnBonn |
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| 09 Feb 13 | r22        | BonnBonn | 99 - 94 | UlmUlm |
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| 16 Feb 13 | r23        | LudwigsburgLudwigsburg | 68 - 75 | BonnBonn |
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| 24 Feb 13 | r24        | BonnBonn | 60 - 71 | ALBA BerlinALBA Berlin |
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| 03 Mar 13 | r25        | BonnBonn | 94 - 56 | Gießen 46ersGießen 46ers |
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| 09 Mar 13 | r26        | Gladiators TrevesGladiators Tr | 70 - 68 | BonnBonn |
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| 16 Mar 13 | r28        | Artland DragonsArtland Drago | 109 - 75 | BonnBonn |
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| 30 Mar 13 | r29        | Mitteldeutscher BCMitteldeutsch | 71 - 77 | BonnBonn |
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| 03 Apr 13 | r27        | BonnBonn | 100 - 95 | Phoenix HagenPhoenix Hagen |
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| 07 Apr 13 | r30        | BonnBonn | 98 - 93 | Brose BambergBrose Bamberg |
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| 10 Apr 13 | r31        | Tigers TübingenTigers Tübing | 80 - 74 | BonnBonn |
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| 13 Apr 13 | r32        | BonnBonn | 81 - 75 | Frankfurt SkylinersFrankfurt Sky |
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| 17 Apr 13 | r02        | ALBA BerlinALBA Berlin | 76 - 55 | BonnBonn |
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| 20 Apr 13 | r33        | EWE Baskets OldenburgEWE Baskets O | 84 - 74 | BonnBonn |
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| 27 Apr 13 | r34        | BonnBonn | 103 - 98 | Bayern München BasketballBayern Münche |
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| 05 May 13 | r00        | EWE Baskets OldenburgEWE Baskets O | 78 - 66 | BonnBonn |
| 09 May 13 | r00        | BonnBonn | 88 - 80 | EWE Baskets OldenburgEWE Baskets O |
| 11 May 13 | r00        | EWE Baskets OldenburgEWE Baskets O | 97 - 67 | BonnBonn |
| 15 May 13 | r00        | BonnBonn | 88 - 82 | EWE Baskets OldenburgEWE Baskets O |
| 18 May 13 | r00        | EWE Baskets OldenburgEWE Baskets O | 89 - 80 | BonnBonn |