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

EGTB: win in 4 half-moves

# move score
1 Ka6 win in 3 half-moves
2 Ka7 win in 3 half-moves
3 Ka8 win in 3 half-moves
4 Kb6 win in 3 half-moves
5 Kb8 win in 3 half-moves
6 Kbc8 win in 3 half-moves
7 Ke7 win in 3 half-moves
8 Kbc6 draw
9 Rc3 draw
10 Kd6 loss in 2 half-moves
11 Kd8 loss in 2 half-moves
12 Kdc6 loss in 2 half-moves
13 Kdc8 loss in 2 half-moves
14 Ke6 loss in 2 half-moves
15 Ke8 loss in 2 half-moves
16 Rc1 loss in 2 half-moves
17 Rc2 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rc5 loss in 2 half-moves
20 Rc6 loss in 2 half-moves
21 Rc8 loss in 2 half-moves