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

EGTB: win in 4 half-moves

# move score
1 Ka5 win in 3 half-moves
2 Ka6 draw
3 Ka7 draw
4 Kb5 draw
5 Kb7 draw
6 Kbc7 draw
7 Kd7 draw
8 Kdc7 draw
9 Ke6 draw
10 Ke7 draw
11 Rc1 draw
12 Rc5 draw
13 Rc7 draw
14 Rc8 draw
15 Kbc5 loss in 2 half-moves
16 Kd5 loss in 2 half-moves
17 Kdc5 loss in 2 half-moves
18 Ke5 loss in 2 half-moves
19 Rc2 loss in 2 half-moves
20 Rc3 loss in 2 half-moves
21 Rc4 loss in 2 half-moves