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

EGTB: win in 4 half-moves

# move score
1 Ra2 win in 3 half-moves
2 Ka4 win in 5 half-moves
3 Ka6 win in 5 half-moves
4 Kb3 win in 5 half-moves
5 Kb4 win in 5 half-moves
6 Kb6 win in 5 half-moves
7 Ka2 draw
8 Ka8 draw
9 Kb2 draw
10 Kb7 draw
11 Kb8 draw
12 Rb1 draw
13 Rc1 draw
14 Rg1 draw
15 Rh1 draw
16 Rd1 loss in 2 half-moves
17 Re1 loss in 2 half-moves
18 Rf1 loss in 2 half-moves