The three-time Grand Slam champion's ominous message to his box came after spurning a vital break point in the second set.
Murray lost two out of three tie-breaks against 18-year-old Mensik as his Doha adventure ended at the last-16 stage.
The Scot set up his match with 116th-ranked Mensik courtesy of a win over Alexandre Muller on Tuesday his first victory since October.
But Murray's relief did not last long as he crashed out 6-7 7-6 6-7.
Esta historia es de la edición February 22, 2024 de Daily Record.
Comience su prueba gratuita de Magzter GOLD de 7 días para acceder a miles de historias premium seleccionadas y a más de 9,000 revistas y periódicos.
Ya eres suscriptor ? Conectar
Esta historia es de la edición February 22, 2024 de Daily Record.
Comience su prueba gratuita de Magzter GOLD de 7 días para acceder a miles de historias premium seleccionadas y a más de 9,000 revistas y periódicos.
Ya eres suscriptor? Conectar
Fave Chris' Strictly tour flaw
Bookies' No1 faces stand-up date clash as Merse is given the boot
BE ON THE RIGHT SIDE OF HISTORY
TUC urges MPs to back Bill that will transform the lives of UK workers
'Liam's family just want him home, back where he belongs'
Hopes of repatriating star's body this week as devoted father refuses to leave his side
TRAPPED
Israeli strikes in Gaza 'leave many under rubble of buildings' | UN slams 'unspeakable horror' as busy Beirut suburb targeted
YOU'RE A SUPERSTAR IN EVERY SENSE OF THE WORD
Olympian 'overwhelmed' by support from public and the sporting world | Family agony as wife diagnosed with 'aggressive' multiple sclerosis
NO GIGS ATO MAN UNITED
Fear of Fergie stopped me going to concerts says Scots star McClair
ISLANDERS ‘LET DOWN ON FERRIES' - SEASICKENING
Scots Lib Dems claim boats only ran to their proper schedule for 7 days over 15 months
KEEP CALM & VALAKARI ON
New boss still watching from stand but Kirk says it Saint an obstacle
NO MAD THING
Slot says he's not worried about TAA to Real talk
Kids need a healthy diet to concentrate
Five-a-day fruit and veg scheme a major boost