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 3 half-moves
3 Rc6 win in 5 half-moves
4 Rc8 win in 5 half-moves
5 Ke6 win in 7 half-moves
6 Rc7 win in 21 half-moves
7 Kd8 draw
8 Ke3 draw
9 Ke8 draw
10 Kf7 draw
11 Kf8 draw
12 Ra3 draw
13 Rb3 draw
14 Rc1 draw
15 Kc2 loss in 2 half-moves
16 Kc4 loss in 2 half-moves
17 Kd2 loss in 2 half-moves
18 Kd4 loss in 2 half-moves
19 Ke2 loss in 2 half-moves
20 Ke4 loss in 2 half-moves
21 Kf6 loss in 2 half-moves
22 Rc2 loss in 2 half-moves
23 Rc4 loss in 2 half-moves
24 Rc5 loss in 2 half-moves