The 21-year-old has made seven appearances for the League Two side since arriving at Victoria Park at the start of August.
Brobbel will now remain with Colin Cooper's team until October 11.
Hartlepool continue their league campaign on Saturday when they entertain Tranmere Rovers.
Restore Data
| Team | P | W | D | L | F | A | GD | PTS | |
| 1 | York City | 23 | 14 | 6 | 3 | 47 | 20 | 27 | 48 |
| 2 | Barnet | 23 | 15 | 3 | 5 | 47 | 26 | 21 | 48 |
| 3 | Forest Green RoversForest Green | 22 | 13 | 7 | 2 | 40 | 18 | 22 | 46 |
| 4 | Gateshead | 23 | 13 | 5 | 5 | 45 | 28 | 17 | 44 |
| 5 | Oldham AthleticOldham | 21 | 12 | 7 | 2 | 38 | 19 | 19 | 43 |
| 6 | Rochdale | 21 | 11 | 3 | 7 | 31 | 19 | 12 | 36 |
| 7 | Solihull MoorsSolihull | 23 | 10 | 5 | 8 | 42 | 36 | 6 | 35 |
| 8 | Halifax TownHalifax | 23 | 9 | 8 | 6 | 26 | 23 | 3 | 35 |
| 9 | AltrinchamAltrincham | 23 | 9 | 7 | 7 | 37 | 30 | 7 | 34 |
| 10 | Yeovil TownYeovil | 23 | 10 | 4 | 9 | 28 | 25 | 3 | 34 |
| 11 | Hartlepool UnitedHartlepool | 23 | 8 | 9 | 6 | 26 | 25 | 1 | 33 |
| 12 | Eastleigh | 22 | 8 | 8 | 6 | 30 | 28 | 2 | 32 |
| 13 | Sutton UnitedSutton | 23 | 9 | 5 | 9 | 30 | 29 | 1 | 32 |
| 14 | Tamworth | 22 | 8 | 5 | 9 | 25 | 38 | -13 | 29 |
| 15 | Dagenham & RedbridgeDag & Red | 22 | 7 | 7 | 8 | 35 | 29 | 6 | 28 |
| 16 | Southend UnitedSouthend | 23 | 6 | 9 | 8 | 24 | 27 | -3 | 27 |
| 17 | Woking | 23 | 6 | 6 | 11 | 21 | 33 | -12 | 24 |
| 18 | WealdstoneWealdstone | 22 | 5 | 8 | 9 | 27 | 32 | -5 | 23 |
| 19 | Aldershot TownAldershot | 23 | 5 | 8 | 10 | 32 | 40 | -8 | 23 |
| 20 | Fylde | 23 | 6 | 4 | 13 | 28 | 47 | -19 | 22 |
| 21 | Braintree TownBraintree | 23 | 5 | 5 | 13 | 19 | 33 | -14 | 20 |
| 22 | Maidenhead UnitedMaidenhead | 23 | 5 | 5 | 13 | 27 | 45 | -18 | 20 |
| 23 | Boston UnitedBoston | 22 | 3 | 6 | 13 | 19 | 37 | -18 | 15 |
| 24 | Ebbsfleet | 23 | 1 | 6 | 16 | 17 | 54 | -37 | 9 |
| > National League Full Table | |||||||||
