VARNA, Bulgaria (Interstat) — FK Spartak 1918 Varna delivered a 3-1 upset victory over FK Yambol 1915 in a Bulgarian Cup match Tuesday at Stadion Nikolay Laskov. Ndualu Pahama opened the scoring for the visitors in the eighth minute, setting the tone for the match. Daniel Halachev added a second-half goal in the 56th minute to help secure the win. The result defied pregame projections that heavily favored Yambol, which was given a 68.8 percent probability to win by one statistical system. Spartak Varna advances in the competition with a perfect record, while Yambol starts its campaign with a loss.