Kartal has loved a outstanding rise by means of the rankings prior to now 18 months.
At Wimbledon final 12 months, she arrived as a wildcard ranked 281 on the earth and went on to succeed in the third spherical.
On her return this 12 months, ranked 230 locations above that, she lower a peaceful and mature determine.
Ostapenko, 28, had crushed Kartal comfortably within the opening spherical at Eastbourne final week however the Briton maintained her composure as she fell 5-2 behind within the opening set.
A wayward Ostapenko forehand into the web was the catalyst for Kartal to go on and win the subsequent 5 video games, saving set factors at 5-4 earlier than motoring forward to take the set.
Ostapenko was left surprised when Kartal despatched a ripping forehand spherical the web publish however the former Wimbledon semi-finalist managed to chop out the errors and take the second set comfortably to degree issues up.
That mentioned, Ostapenko grew more and more pissed off all through the match – muttering below her breath and berating herself whereas shouting up at her coaches.
Followers within the crowd had been additionally on the receiving finish of obtrusive seems as she complained that they had been being too noisy, asking the umpire to inform them to be quiet earlier than shouting at them and elevating her arms in exasperation.
However all through that Kartal remained steadfast and raced by means of the third set, securing a double break earlier than serving out for a powerful victory.
