My Personal 1vs1 Server Configs:

bot_kick;
exec gamemode_competitive;
mp_free_armor 1;
mp_freezetime 3;
mp_weapons_allow_map_placed 1;
mp_humanteam any;
mp_restartgame 1;
mp_round_restart_delay 3;
mp_roundtime 80250;
mp_maxrounds 30;
mp_halftime 1;
mp_warmup_end;

sv_infite_ammo 2;
sv_alltalk 1;
sv_deadtalk 1;

mp_restart 10;

clear;
echo #########################
echo 1v1 CONFIGURATION LOADED
echo #########################
echo restart with mp_restart 1
echo mp_t_default_secondary weapon_usp_silencer
echo mp_t_default_primary ""