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 Kd7 win in 7 half-moves
3 Kd8 win in 9 half-moves
4 Rb7 win in 9 half-moves
5 Kd4 draw
6 Ke8 draw
7 Kf7 draw
8 Kf8 draw
9 Ra4 draw
10 Kb3 loss in 2 half-moves
11 Kb5 loss in 2 half-moves
12 Kc3 loss in 2 half-moves
13 Kc5 loss in 2 half-moves
14 Kd3 loss in 2 half-moves
15 Kd5 loss in 2 half-moves
16 Ke6 loss in 2 half-moves
17 Kf6 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
21 Rb5 loss in 2 half-moves
22 Rb6 loss in 2 half-moves
23 Rb8 loss in 2 half-moves