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

EGTB: win in 4 half-moves

# move score
1 Kab3 win in 3 half-moves
2 Kb2 win in 3 half-moves
3 Rc2 win in 3 half-moves
4 Kb5 win in 9 half-moves
5 Kc4 win in 9 half-moves
6 Ka5 win in 11 half-moves
7 Kc5 win in 11 half-moves
8 Kbb3 win in 13 half-moves
9 Kc3 win in 13 half-moves
10 Kaa4 draw
11 Kba4 draw
12 Ra1 draw
13 Rb2 draw
14 Rd2 draw
15 Re2 draw
16 Rf2 loss in 2 half-moves
17 Rg2 loss in 2 half-moves
18 Rh2 loss in 2 half-moves