Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Ka7 draw
3 Kb2 draw
4 Kb3 draw
5 Kb4 draw
6 Kb7 draw
7 Kb8 draw
8 Kc2 draw
9 Kc4 draw
10 Kd2 draw
11 Kd3 draw
12 Kd4 draw
13 Ra1 draw
14 Ra2 draw
15 Ra4 draw
16 Ra5 draw
17 Ra6 draw
18 Ra7 draw