Lewis will take his tournament record tally to 61 matches when he referees the clash between Biarritz Olympique and Gloucester Rugby, which is also on Saturday, October 17.
ERC, the tournament organisers, today released the referee appointments for the first two rounds of the 15th season of the Heineken Cup.
Welshman James Jones will get the action underway with Ulster against Bath, the first of the 78 matches en route to the showpiece final at Stade de France on Saturday, May 22.
The nominated referees are drawn from the ERC 2009/10 Match Officials panel.
Nominations are proposed by the ERC Match Officials Performance Manager Donal Courtney to the ERC Match Officials Sub Committee made up of Referee Managers from the six Unions of the participating teams, who review and confirm the final appointments.
2009/10 HEINEKEN CUP FIXTURES:
- All kick-off times in local time
Friday, October 9 -
Pool 2: Gloucester v Newport Gwent Dragons, 8pm, Peter Fitzgibbon (Ireland)
Pool 4: Ulster v Bath, 7.30pm, James Jones (Wales)
Pool 6: Leinster v London Irish, 8pm, Romain Poite (France)
Saturday, October 10 -
Pool 1: Benetton Treviso v Perpignan, 2.30pm, Andrew Small (England)
Pool 1: Northampton Saints v Munster, 6pm, Christophe Berdos (France)
Pool 2: Glasgow Warriors v Biarritz Olympique, 3.45pm, Wayne Barnes (England)
Pool 3: Clermont Auvergne v Viadana, 4pm, Peter Allan (Scotland)
Pool 4: Stade Francais v Edinburgh, 2.35pm, Nigel Owens (Wales)
Pool 5: Cardiff Blues v Harlequins, 1.35pm, Alan Lewis (Ireland)
Pool 6: Scarlets v Brive, 3pm, David Pearson (England)
Sunday, October 11 -
Pool 3: Leicester Tigers v Ospreys, 12.45pm, Alain Rolland (Ireland)
Pool 5: Toulouse v Sale Sharks, 4pm, George Clancy (Ireland)
Friday, October 16 -
Pool 1: Perpignan v Northampton Saints, 9pm, Nigel Owens (Wales)
Pool 2: Newport Gwent Dragons v Glasgow Warriors, 7.30pm, Romain Poite (France)
Pool 5: Sale Sharks v Cardiff Blues, 8pm, Christophe Berdos (France)
Saturday, October 17 -
Pool 1: Munster v Benetton Treviso, 1.35pm, Jerome Garces (France)
Pool 2: Biarritz Olympique v Gloucester, 2.35pm, Alan Lewis (Ireland)
Pool 3: Viadana v Leicester Tigers, 2.30pm, Pascal Gauzere (France)
Pool 4: Edinburgh v Ulster, 3.45pm, David Pearson (England)
Pool 5: Harlequins v Toulouse, 6pm, Alain Rolland (Ireland)
Pool 6: London Irish v Scarlets, 3pm, Peter Fitzgibbon (Ireland)
Pool 6: Brive v Leinster, 4.45pm, James Jones (Wales)
Sunday, October 18 -
Pool 3: Ospreys v Clermont Auvergne, 12.45pm, Wayne Barnes (England)
Pool 4: Bath v Stade Francais, 3pm, George Clancy (Ireland)