Nadal fears may not be fully fit for US Open

Spain's Rafael Nadal fears he won't be fully fit for the US Open despite making his return to action in next week's Montreal Masters. Nadal has been out of action for two months with knee problems......

Henin retirement revives burnout debate

Justine Henin appeared to have it all, ranked world number one and with the consistency and mental strength to dominate her sport for years to come. - Henin seeks life beyond tennis On Wednesday,......