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

EGTB: win in 4 half-moves

# move score
1 Kd6 win in 3 half-moves
2 K6c7 win in 5 half-moves
3 K6d7 win in 5 half-moves
4 Kc5 win in 5 half-moves
5 Kd8 win in 5 half-moves
6 Rb6 win in 7 half-moves
7 Kb5 win in 15 half-moves
8 Kb6 win in 17 half-moves
9 K6b7 draw
10 Kd5 draw
11 Ra8 draw
12 K8b7 loss in 2 half-moves
13 K8c7 loss in 2 half-moves
14 K8d7 loss in 2 half-moves
15 Rb1 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rb7 loss in 2 half-moves