Thursday, June 14 (1500): Russia vs Saudi Arabia, Moscow (Luzhniki)

Friday, June 15 (1200): Egypt vs Uruguay, Yekaterinburg; (1500) Morocco vs Iran, Saint Petersburg; (1800) Portugal vs Spain, Sochi

Saturday, June 16 (1000): France vs Australia, Kazan; (1300) Argentina vs Iceland, Moscow (Spartak); (1600) Peru vs Denmark, Saransk; (1900) Croatia vs Nigeria, Kaliningrad

Sunday, June 17 (1200): Costa Rica vs Serbia, Samara; (1500) Germany vs Mexico, Moscow (Luzhniki); (1800) Brazil vs Switzerland, Rostov-on-Don

Monday, June 18 (1200): Sweden vs South Korea, Nizhni Novgorod; (1500) Belgium vs Panama, Sochi; (1800) Tunisia vs England, Volgograd

Tuesday, June 19 (1200): Poland vs Senegal, Moscow (Spartak); (1500) Colombia vs Japan, Saransk; (1800) Russia vs Egypt, Saint Petersburg

Wednesday, June 20 (1200): Portugal vs Morocco, Moscow (Luzhniki); (1500) Uruguay vs Saudi Arabia, Rostov-on-Don; (1800) Iran vs Spain, Kazan

Thursday, June 21 (1200): France vs Peru, Yekaterinburg; (1500) Denmark vs Australia, Samara; (1800) Argentina vs Croatia, Nizhni Novgorod

Friday, June 22 (1200): Brazil vs Costa Rica, Saint Petersburg; (1500) Nigeria vs Iceland, Volgograd; (1800) Serbia vs Switzerland, Kaliningrad

Saturday, June 23 (1200): Belgium vs Tunisia, Moscow (Spartak); (1500) Germany vs Sweden, Sochi; (1800) South Korea vs Mexico, Rostov-on-Don

Sunday, June 24 (1200): England vs Panama, Nizhni Novgorod; (1500) Japan vs Senegal, Yekaterinburg; (1800) Poland vs Colombia, Kazan

Monday, June 25 (1400): Saudi Arabia vs Egypt, Volgograd; (1400) Uruguay vs Russia, Samara; (1800) Spain vs Morocco, Kaliningrad; (1800) Iran vs Portugal, Saransk

Tuesday, June 26 (1400): Denmark vs France, Moscow (Luzhniki); (1400) Australia vs Peru, Sochi; (1800) Nigeria vs Argentina, Saint Petersburg; (1800) Iceland vs Croatia, Rostov-on-Don

Wednesday, June 27 (1400): South Korea vs Germany, Kazan; (1400) Mexico vs Sweden, Yekaterinburg; (1800) Serbia vs Brazil, Moscow (Spartak); (1800) Switzerland vs Costa Rica, Nizhni Novgorod

Thursday, June 28 (1400): Japan vs Poland, Volgograd; (1400) Senegal vs Colombia, Samara; (1800) England vs Belgium, Kaliningrad; (1800) Panama vs Tunisia, Saransk

Saturday, June 30: Round of 16: (1400) Group C winners vs Group D runners-up, Kazan (R1); (1800) Group A winners vs Group B runners-up, Sochi (R2)

Sunday, July 1: Round of 16: (1400) Group B winners vs Group A runners-up, Moscow (Luzhniki) (R5); (1800) Group D winners v Group C runners-up, Nizhni Novgorod (R6)

Monday, July 2: Round of 16: (1400) Group E winners vs Group F runners-up, Samara (R3); (1800) Group G winners vs Group H runners-up, Rostov-on-Don (R4)

Tuesday, July 3: Round of 16: (1400) Group F winners vs Group E runners-up, Saint Petersburg (R7); (1800) Group H winners vs Group G runners-up, Moscow (Spartak) (R8)

Friday, July 6: Quarter-finals: (1400) Winner of R1 vs Winner of R2, Nizhni Novgorod (Q1); (1800) Winner of R3 vs Winner of R4, Kazan (Q2)

Saturday, July 7: Quarter-finals: (1400) Winner of R7 vs Winner of R8, Samara (Q3); (1800) Winner of R5 vs Winner of R6, Sochi (Q4)

Tuesday, July 10: Semi-final: (1800) Winners of Q1 vs Winners of Q2, Saint Petersburg

Wednesday, July 11: Semi-final: (1800) Winners of Q3 vs Winners of Q4, Moscow (Luzhniki)

Saturday, July 14: (1400) Third-place play-off, Saint Petersburg

Sunday, July 15: (1500) Final: Moscow (Luzhniki)

Source: http://www.ocngist.com/2017/12/complete-fixture-list-for-2018-world.html