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 Kb5 draw
3 Kb7 draw
4 Kc5 draw
5 Kc7 draw
6 Kd5 draw
7 Kd6 draw
8 Kd7 draw
9 Kg6 draw
10 Kg7 draw
11 Kg8 draw
12 Kh6 draw
13 Kh8 draw
14 Ra6 draw
15 Rb4 draw
16 Rb5 draw
17 Rb7 draw
18 Rb8 draw
19 Rb1 loss in 2 half-moves
20 Rb2 loss in 2 half-moves