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

EGTB: win in 4 half-moves

# move score
1 Kd2 win in 3 half-moves
2 Kb5 win in 9 half-moves
3 Kc5 win in 9 half-moves
4 Kc6 win in 9 half-moves
5 Rc2 win in 9 half-moves
6 Rd2 win in 9 half-moves
7 Ka5 win in 11 half-moves
8 Ka6 win in 13 half-moves
9 Kf2 win in 13 half-moves
10 Ra2 win in 13 half-moves
11 Ka7 win in 15 half-moves
12 Kb7 win in 15 half-moves
13 Kc7 win in 15 half-moves
14 Rb4 draw
15 Kd1 loss in 2 half-moves
16 Kd3 loss in 2 half-moves
17 Ke1 loss in 2 half-moves
18 Ke3 loss in 2 half-moves
19 Kf1 loss in 2 half-moves
20 Kf3 loss in 2 half-moves
21 Rb1 loss in 2 half-moves
22 Rb3 loss in 2 half-moves
23 Rb5 loss in 2 half-moves