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

EGTB: win in 4 half-moves

# move score
1 Kc8 win in 3 half-moves
2 Kc7 draw
3 Kde7 draw
4 Kde8 draw
5 Kfe7 draw
6 Kfe8 draw
7 Kg7 draw
8 Kg8 draw
9 Ra8 draw
10 Rb6 draw
11 Rb7 draw
12 Kd7 loss in 2 half-moves
13 Kf7 loss in 2 half-moves
14 Rb1 loss in 2 half-moves
15 Rb2 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rc8 loss in 2 half-moves