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

EGTB: win in 6 half-moves

# move score
1 Kb7 win in 5 half-moves
2 Kb8 draw
3 Kc1 draw
4 Kc2 draw
5 Kc3 draw
6 Kd1 draw
7 Kd3 draw
8 Ke1 draw
9 Ke2 draw
10 Ke3 draw
11 Ra2 draw
12 Rb1 draw
13 Rb3 draw
14 Rb4 draw
15 Rb5 draw
16 Rb6 draw
17 Rb8 draw
18 Rc2 draw
19 Kc7 loss in 2 half-moves
20 Kd7 loss in 2 half-moves
21 Kd8 loss in 2 half-moves
22 Rb7 loss in 2 half-moves