British qualifier Brydan Klein is through to the second round of the ASB Classic in Auckland after beating Argentina’s Facundo Bagnis. Australian-born Klein, ranked 324 in the world, looked to be on his way out as he trailed 5-2 in the third set after giving up four match points in the second, but hit back for a 6-1 6-7 7-6 victory against the world number 55. Elsewhere, fifth seed Albert Ramos-Vinolas was beaten 6-1 7-5 by Joao Sousa, while Yen-Hsun Lu of Taiwan battled back from a set down to triumph 4-6 7-6 7-6 against Russian youngster Karen Khachanov.