Sem Manu playing against Petone in April 2014.
July 2013: Seminar Manu became? just the fourth Old Boys University play to reach the milestone of 100 Premier games, when he lined up against Tawa in the 2013 Jubilee Cup semi-final.?
Old Boys University first five-eighth/centre Seminar Manu joined OBU in his first year out of Wellington College in 2004.? He spent three years in the Wellington College first XV, playing mostly centre and captaining the side in his last year, and also made the New Zealand Secondary Schools in 2003.
He made the New Zealand U19s in both 2004 and 2005, beating France in the final in Durban in 2004 and losing to South Africa the second time around. He was a New Zealand U21 triallist two years running in 2005 and 2006 and played ITM Cup and Ranfurly Shield rugby for Southland, winning the Ranfurly Shield in 2009.
| Date | Competition | Rnd | Pos | Team 1 | Score 1 | Team 2 | Score 2 | T | C | P | DG | Pts |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2012-05-05 | Swindale Shield 2005-2024 | 6 | 10 | OBU: Premier | 15 | Wainui: Premier | 15 | 0 | 0 | 5 | 0 | 15 |
| 2012-04-28 | Swindale Shield 2005-2024 | 5 | 10 | OBU: Premier | 37 | Rimutaka: Premier 2 | 0 | 0 | 2 | 1 | 0 | 7 |
| 2012-04-14 | Swindale Shield 2005-2024 | 2 | 10 | OBU: Premier | 13 | HOBM: Premier | 24 | 0 | 0 | 1 | 0 | 3 |
| 2012-04-07 | Swindale Shield 2005-2024 | 1 | 10 | OBU: Premier | 19 | Marist St Pats: Premier | 15 | 0 | 2 | 0 | 0 | 4 |
| 2011-08-06 | Hardham Cup | 9 | 12 | OBU: Premier | 20 | Tawa: Premier | 25 | 0 | 0 | 0 | 0 | 0 |
| 2011-07-30 | Hardham Cup | 8 | 12 | OBU: Premier | 35 | Norths: Premier Reserve | 20 | 0 | 0 | 0 | 0 | 0 |
| 2011-07-23 | Hardham Cup | 7 | 12 | OBU: Premier | 26 | Avalon: Premier | 3 | 0 | 0 | 0 | 0 | 0 |
| 2011-07-09 | Hardham Cup | 5 | 12 | OBU: Premier | 32 | Poneke: Premier Reserve | 9 | 0 | 0 | 0 | 0 | 0 |
| 2011-07-02 | Hardham Cup | 4 | 12 | OBU: Premier | 23 | Wests: Premier | 11 | 0 | 0 | 0 | 0 | 0 |
| 2011-06-25 | Hardham Cup | 3 | 12 | OBU: Premier | 49 | HOBM: Premier Reserve | 0 | 0 | 2 | 2 | 0 | 10 |
| 2011-06-18 | Hardham Cup | 2 | 10 | OBU: Premier | 21 | Tawa: Premier | 8 | 1 | 1 | 3 | 0 | 16 |
| 2011-06-11 | Hardham Cup | 1 | 12 | OBU: Premier | 33 | Rimutaka: Premier 2 | 17 | 0 | 0 | 0 | 0 | 0 |
| 2011-06-04 | Swindale Shield 2005-2024 | 11 | 12 | OBU: Premier | 21 | Marist St Pats: Premier | 27 | 0 | 0 | 0 | 0 | 0 |
| 2011-05-28 | Swindale Shield 2005-2024 | 10 | 12 | OBU: Premier | 27 | Ories: Premier | 24 | 0 | 0 | 0 | 0 | 0 |
| 2011-05-21 | Swindale Shield 2005-2024 | 9 | 12 | OBU: Premier | 20 | Wainui: Premier | 23 | 0 | 0 | 0 | 0 | 0 |
| 2011-05-14 | Swindale Shield 2005-2024 | 8 | 12 | OBU: Premier | 18 | Avalon: Premier | 10 | 0 | 1 | 0 | 0 | 2 |
| 2011-05-07 | Swindale Shield 2005-2024 | 7 | 12 | OBU: Premier | 14 | Norths: Premier | 55 | 0 | 0 | 0 | 0 | 0 |
| 2011-04-30 | Swindale Shield 2005-2024 | 6 | 12 | OBU: Premier | 23 | Upper Hutt: Premier | 27 | 0 | 0 | 0 | 0 | 0 |
| 2011-04-23 | Swindale Shield 2005-2024 | 5 | 12 | OBU: Premier | 30 | HOBM: Premier | 28 | 0 | 0 | 0 | 0 | 0 |
| 2011-04-09 | Swindale Shield 2005-2024 | 3 | 12 | OBU: Premier | 27 | Wests: Premier | 15 | 0 | 0 | 0 | 0 | 0 |