I would give Andy a rest in the doubles and play Dom Ingot, a good doubles player ranked in the top 30 and on the up. The Byron brothers are great but on the wain so beatable.
Has played well in Davis Cup over the last 3 years and reached the semi of queens 2 years ago but struggles on the challenger tour. Been as high as 120 in the world but on this form should be in the top 100. Ranked 175 at mo