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

EGTB: win in 4 half-moves

# move score
1 Kb2 win in 3 half-moves
2 Kb3 win in 3 half-moves
3 Kb4 win in 3 half-moves
4 Rb1 win in 3 half-moves
5 Ra2 win in 5 half-moves
6 Ka2 win in 9 half-moves
7 Kd1 win in 9 half-moves
8 Rc1 win in 9 half-moves
9 Kd2 win in 11 half-moves
10 Ka4 draw
11 Kd3 draw
12 Ke1 draw
13 Ke3 draw
14 Rd1 draw
15 Re1 draw
16 Kf1 loss in 2 half-moves
17 Kf2 loss in 2 half-moves
18 Kf3 loss in 2 half-moves
19 Rf1 loss in 2 half-moves
20 Rg1 loss in 2 half-moves
21 Rh1 loss in 2 half-moves