# 2017–18 NBB Cup

The 2017–18 NBB Cup (Dutch: 2017–18 NBB-Beker) was the 50th edition of the Netherlands' national basketball cup tournament. Donar was the defending champion. Donar successfully defended its title, after beating runners-up ZZ Leiden in the Final. The Final was played on 25 March 2018 in MartiniPlaza in Groningen.

## Format

In the first, second and third round teams from the Dutch second, third and fourth division participate. From the fourth round, teams from the Dutch Basketball League (DBL) enter the competition. Quarter- and semi-finals are played in a two-legged format. When a team form a tier lower than the DBL played a DBL team, one win is sufficient for the latter to advance to the next round.

## Round and draw dates

| Round | Draw date | Dates |
| First round | October 2017 | 14 October 2017 |
| Second round | October 2017 | 6 November 2017 |
| Third round | October 2017 | 25 November 2017 |
| Fourth round | 28 November 2017 | 13 December 2017–9 January 2018 |
| Quarter-finals | 21 December 2017 | 16 January–1 February 2018 |
| Semi-finals | 1 February 2018 | 13 February–13 March 2018 |
| Final | 1 February 2018 | 25 March 2018 |

## Bracket

| Fourth round | Fourth round | Fourth round | Fourth round | Quarter-finals | Quarter-finals | Quarter-finals | Quarter-finals | | | Semi-finals | Semi-finals | Semi-finals | Semi-finals | | | Final | Final | Final | Final |
| 9 January | 9 January | 9 January | 9 January | | | | | | | | | | | | |
| Apollo Amsterdam | Apollo Amsterdam | Apollo Amsterdam | 58 | | | | | | | | | | | | |
| Apollo Amsterdam | Apollo Amsterdam | Apollo Amsterdam | 58 | 16–31 January | 16–31 January | 16–31 January | 16–31 January | | | | | | | | | | | |
| New Heroes | New Heroes | New Heroes | 104 | 16–31 January | 16–31 January | 16–31 January | 16–31 January | | | | | | | | |
| New Heroes | New Heroes | New Heroes | 104 | New Heroes | 85 | 49 | 134 | | | | | | | | |
| 20 December | 20 December | 20 December | 20 December | | | | New Heroes | 85 | 49 | 134 | | | | | | | | |
| 20 December | 20 December | 20 December | 20 December | Aris Leeuwarden | 58 | 84 | 142 | | | | | | | | |
| BV Groningen | BV Groningen | BV Groningen | 57 | Aris Leeuwarden | 58 | 84 | 142 | | | | | | | | |
| BV Groningen | BV Groningen | BV Groningen | 57 | | | | | | | 6–13 March | 6–13 March | 6–13 March | 6–13 March | | | | | |
| Aris Leeuwarden | Aris Leeuwarden | Aris Leeuwarden | 86 | | | | | | | 6–13 March | 6–13 March | 6–13 March | 6–13 March | | |
| Aris Leeuwarden | Aris Leeuwarden | Aris Leeuwarden | 86 | | | | | | | ZZ Leiden | 80 | 65 | 145 | | |
| 14 December | 14 December | 14 December | 14 December | | | | | | | | | | ZZ Leiden | 80 | 65 | 145 | | |
| 14 December | 14 December | 14 December | 14 December | | | | | | | New Heroes | 60 | 73 | 133 | | |
| Onze Gezellen | Onze Gezellen | Onze Gezellen | 58 | | | | | | | New Heroes | 60 | 73 | 133 | | |
| Onze Gezellen | Onze Gezellen | Onze Gezellen | 58 | 25 January | 25 January | 25 January | 25 January | | | | | | | | | | | |
| Solar-systemen Grasshoppers | Solar-systemen Grasshoppers | Solar-systemen Grasshoppers | 74 | 25 January | 25 January | 25 January | 25 January | | | | | | | | |
| Solar-systemen Grasshoppers | Solar-systemen Grasshoppers | Solar-systemen Grasshoppers | 74 | Solar-systemen Grasshoppers | Solar-systemen Grasshoppers | Solar-systemen Grasshoppers | 60 | | | | | | | | |
| 21 December | 21 December | 21 December | 21 December | | | | Solar-systemen Grasshoppers | Solar-systemen Grasshoppers | Solar-systemen Grasshoppers | 60 | | | | | | | | |
| 21 December | 21 December | 21 December | 21 December | ZZ Leiden | ZZ Leiden | ZZ Leiden | 87 | | | | | | | | |
| ZZ Leiden | ZZ Leiden | ZZ Leiden | 101 | ZZ Leiden | ZZ Leiden | ZZ Leiden | 87 | | | | | | | | |
| ZZ Leiden | ZZ Leiden | ZZ Leiden | 101 | | | | | | | | | | | | | 25 March | 25 March | 25 March | 25 March |
| Forward Lease Rotterdam | Forward Lease Rotterdam | Forward Lease Rotterdam | 87 | | | | | | | | | | | | | 25 March | 25 March | 25 March | 25 March |
| Forward Lease Rotterdam | Forward Lease Rotterdam | Forward Lease Rotterdam | 87 | | | | | | | | | | | | | ZZ Leiden | ZZ Leiden | ZZ Leiden | 71 |
| 4 January | 4 January | 4 January | 4 January | | | | | | | | | | | | | | | | ZZ Leiden | ZZ Leiden | ZZ Leiden | 71 |
| 4 January | 4 January | 4 January | 4 January | | | | | | | | | | | | | Donar | Donar | Donar | 87 |
| BAL 2 | BAL 2 | BAL 2 | 65 | | | | | | | | | | | | | Donar | Donar | Donar | 87 |
| BAL 2 | BAL 2 | BAL 2 | 65 | 16–25 January | 16–25 January | 16–25 January | 16–25 January | | | | | | | | | | | | |
| Den Helder Suns | Den Helder Suns | Den Helder Suns | 90 | 16–25 January | 16–25 January | 16–25 January | 16–25 January | | | | | | | | | | | | |
| Den Helder Suns | Den Helder Suns | Den Helder Suns | 90 | Den Helder Suns | 69 | 47 | 116 | | | | | | | | | | | | |
| 14 December | 14 December | 14 December | 14 December | | | | Den Helder Suns | 69 | 47 | 116 | | | | | | | | | | | | |
| 14 December | 14 December | 14 December | 14 December | Landstede | 74 | 95 | 169 | | | | | | | | | | | | |
| Almere Pioneers | Almere Pioneers | Almere Pioneers | 51 | Landstede | 74 | 95 | 169 | | | | | | | | | | | | |
| Almere Pioneers | Almere Pioneers | Almere Pioneers | 51 | | | | | | | 13–18 January | 13–18 January | 13–18 January | 13–18 January | | | | | | | | | |
| Landstede | Landstede | Landstede | 83 | | | | | | | 13–18 January | 13–18 January | 13–18 January | 13–18 January | | | | | | |
| Landstede | Landstede | Landstede | 83 | | | | | | | Donar | 95 | 80 | 175 | | | | | | |
| 5 January | 5 January | 5 January | 5 January | | | | | | | | | | Donar | 95 | 80 | 175 | | | | | | |
| 5 January | 5 January | 5 January | 5 January | | | | | | | Landstede | 51 | 77 | 128 | | |
| The Black Eagles | The Black Eagles | The Black Eagles | 75 | | | | | | | Landstede | 51 | 77 | 128 | | |
| The Black Eagles | The Black Eagles | The Black Eagles | 75 | 1 February | 1 February | 1 February | 1 February | | | | | | | | | | | |
| Racing Beverwijk | Racing Beverwijk | Racing Beverwijk | 85 | 1 February | 1 February | 1 February | 1 February | | | | | | | | |
| Racing Beverwijk | Racing Beverwijk | Racing Beverwijk | 85 | Racing Beverwijk | Racing Beverwijk | Racing Beverwijk | 56 | | | | | | | | |
| | | | | Donar | Donar | Donar | 98 | | | | | | | | |
| Donar | Donar | Donar | w/o | Donar | Donar | Donar | 98 | | | | | | | | |
| BAL | BAL | BAL | | | | | | | | | | | | | |