This famous record is held by Wayne Ferreira - 56 continuous GS appearances. It should be broken by Federer who has played 53 consecutive GS.
But the surprising factor is that 4 Spaniards are in Top 10 list with Feliciano Lopez leading with 44 appearances. Ferrer and Verdasco are at 41 and 39. Robredo stopped at 39.
Who knows, one of them might overtake Roger.
And Thomas Berdych is at 38