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

EGTB: win in 4 half-moves

# move score
1 Kd5 win in 3 half-moves
2 Ka4 draw
3 Ka6 draw
4 Kab4 draw
5 Kab6 draw
6 Rb1 draw
7 Kc4 loss in 2 half-moves
8 Kc6 loss in 2 half-moves
9 Kcb4 loss in 2 half-moves
10 Kcb6 loss in 2 half-moves
11 Kd4 loss in 2 half-moves
12 Kd6 loss in 2 half-moves
13 Rb2 loss in 2 half-moves
14 Rb3 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rb8 loss in 2 half-moves