The Spanish outfit had the better of the chances in the first period, but neither side could make the breakthrough.
Levante pushed for the opener in the latter stages, but could not find the elusive strike, with the tie level at 0-0 ahead of the second leg.
Read how it all unfolded in Sports Mole's minute-by-minute live commentary of the action below.
LEVANTE: Navas; Navarro, Juanfran, Lopez, Ballesteros; Diop, Iborra, Barkero, Michel; Garcia, Martins
RUBIN: Ryzhikov; Kuzmin, Ansaldi, Marcano, Sharonov; Orbiaz, Eremenko, Karadeniz, Natcho; Kasaev, Rondon