| Date | Time | Competition | Home |
| Away | Venue | TV / Att |
|
| August 2009 |
| 12/8/09 | 19:30 | F | Neath | 10 - 16 | Scarlets | The Gnoll |
| Report |
| 22/8/09 | 16:00 | F | Scarlets | 15 - 17 | Bath Rugby | Parc y Scarlets | 3,098 | More |
| 22/8/09 | 16:00 | F | Scarlets | 15 - 17 | Bath Rugby | Parc y Scarlets |
| Report |
| 28/8/09 | 18:30 | F | Bath Rugby | 5 - 3 | Scarlets | Recreation Ground |
| More |
| 28/8/09 | 18:30 | F | Bath Rugby | 5 - 3 | Scarlets | The Recreation Ground |
| Report |
| September 2009 |
| 5/9/09 | 18:30 | ML | Scarlets | 18 - 16 | Leinster | Parc y Scarlets | 6,075 | Report |
| 13/9/09 | 17:05 | ML | Glasgow Warriors | 19 - 11 | Scarlets | Firhill | 2,582 | Report |
| 19/9/09 | 18:30 | ML | Scarlets | 20 - 22 | Munster | Parc y Scarlets | 6,313 | Report |
| 26/9/09 | 18:30 | ML | Cardiff Blues | 19 - 15 | Scarlets | Cardiff City Stadium | 12,198 | Report |
| October 2009 |
| 2/10/09 | 19:05 | ML | Ulster Rugby | 45 - 24 | Scarlets | Ravenhill | 8,141 | Report |
| 10/10/09 | 15:00 | HC-P6 | Scarlets | 24 - 12 | Brive | Parc y Scarlets | 8,062 | Report |
| 17/10/09 | 15:00 | HC-P6 | London Irish | 25 - 27 | Scarlets | Madejski Stadium | 11,947 | Report |
| 23/10/09 | 19:05 | ML | Scarlets | 18 - 3 | Newport Gwent Dragons | Parc y Scarlets | 6,464 | Report |
| 30/10/09 | 18:30 | ML | Connacht Rugby | 16 - 10 | Scarlets | The Sportsground | 1,756 | Report |
| November 2009 |
| 8/11/09 | 13:45 | LVC-P2,P3 | Harlequins | 15 - 15 | Scarlets | The Stoop | 9,653 | Report |
| 14/11/09 | 15:00 | LVC-P2,P3 | Scarlets | 32 - 17 | Worcester Warriors | Parc y Scarlets | 5,560 | Report |
| December 2009 |
| 4/12/09 | 19:05 | ML | Scarlets | 16 - 17 | Edinburgh | Parc y Scarlets | 5,540 | Report |
| 12/12/09 | 18:00 | HC-P6 | Scarlets | 7 - 32 | Leinster | Parc y Scarlets | 9,012 | Report |
| 19/12/09 | 15:45 | HC-P6 | Leinster | 39 - 7 | Scarlets | Royal Dublin Society | 18,500 | Report |
| 26/12/09 | 14:05 | ML | Scarlets | 14 - 21 | Ospreys | Parc y Scarlets | 14,739 | Report |
| 31/12/09 | 14:05 | ML | Newport Gwent Dragons | 9 - 14 | Scarlets | Rodney Parade | 6,429 | Report |
| January 2010 |
| 17/1/10 | 12:45 | HC-P6 | Scarlets | 31 - 22 | London Irish | Parc y Scarlets | 7,017 | Report |
| 23/1/10 | 19:00 | HC-P6 | Brive | 17 - 20 | Scarlets | Stade Municipal des Sports | 7,000 | Report |
| 30/1/10 | 17:45 | LVC-P2,P3 | London Wasps | 13 - 18 | Scarlets | Adams Park | 8,070 | Report |
| February 2010 |
| 2/3/4 Feb |
| F | Regional Premiership XV | v | RGC 1404 | Church Bank |
| More |
| 6/2/10 | 15:00 | LVC-P2,P3 | Scarlets | 23 - 38 | Cardiff Blues | Parc y Scarlets | 5,671 | Report |
| 20/2/10 | 18:30 | ML | Leinster | 27 - 14 | Scarlets | Royal Dublin Society | 13,890 | Report |
| March 2010 |
| 5/3/10 | 19:05 | ML | Scarlets | 25 - 8 | Ulster Rugby | Parc y Scarlets | 6,266 | Report |
| 18/3/10 | 19:35 | ML | Munster | v | Scarlets | Musgrave Park | S4C | More |
| 26/3/10 | 19:30 | ML | Edinburgh | v | Scarlets | Murrayfield |
| More |
| April 2010 |
| 2/4/10 | 19:05 | ML | Ospreys | v | Scarlets | The Liberty Stadium | BBCw, Setanta | More |
| 10/4/10 | 21:00 | ECC-QF | Toulon | v | Scarlets | Stade Mayol |
| More |
| 16/17/18 Apr |
| ML | Scarlets | v | Cardiff Blues | Parc y Scarlets |
| More |
| 23/24/25 Apr |
| ML | Scarlets | v | Connacht Rugby | Parc y Scarlets |
| More |
| May 2010 |
| 1/2/3 May |
| HC-SF |
| v |
| TBA |
|
|
| 1/2/3 May |
| HC-SF |
| v |
| TBA |
|
|
| 7/8/9 May |
| ML | Scarlets | v | Glasgow Warriors | Parc y Scarlets |
| More |
| 14/15/16 May |
| ML-SF |
| v |
| TBA |
|
|
| 14/15/16 May |
| ML-SF |
| v |
| TBA |
|
|
| 22/5/10 | 18:00 | HC-F |
| v |
| Stade de France |
|
|
| 28/29/30 May |
| ML-F |
| v |
| TBA |
|
|
|