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 Ka7 draw
3 Kb8 draw
4 Kc4 draw
5 Kc5 draw
6 Kd5 draw
7 Ke4 draw
8 Ke5 draw
9 Ra4 draw
10 Rb5 draw
11 Rb6 draw
12 Rb7 draw
13 Rb8 draw
14 Rc4 draw
15 Kc3 loss in 2 half-moves
16 Kd3 loss in 2 half-moves
17 Ke3 loss in 2 half-moves
18 Rb1 loss in 2 half-moves
19 Rb2 loss in 2 half-moves
20 Rb3 loss in 2 half-moves