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 Kb6 win in 3 half-moves
3 Ra3 win in 7 half-moves
4 Rb3 win in 11 half-moves
5 Rc3 win in 11 half-moves
6 Ka8 draw
7 Kb7 draw
8 Kb8 draw
9 Kd3 draw
10 Kd4 draw
11 Kd5 draw
12 Ke5 draw
13 Kf3 draw
14 Kf4 draw
15 Kf5 draw
16 Rd3 draw
17 Re1 draw
18 Re2 draw
19 Rf3 draw
20 Rg3 loss in 2 half-moves
21 Rh3 loss in 2 half-moves