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

EGTB: win in 2 half-moves

# move score
1 Ra1 win in 1 half-moves
2 Kb7 draw
3 Kb8 draw
4 Kc7 draw
5 Kd8 draw
6 Ke1 draw
7 Ke2 draw
8 Kf2 draw
9 Kg1 draw
10 Kg2 draw
11 Rb2 draw
12 Rb3 draw
13 Rb4 draw
14 Rb5 draw
15 Rb6 draw
16 Rb8 draw
17 Rc1 draw
18 Rd1 draw
19 Re1 draw
20 Kd7 loss in 2 half-moves
21 Rb7 loss in 2 half-moves