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 Rb2 win in 3 half-moves
5 Rd2 win in 3 half-moves
6 Ka4 win in 15 half-moves
7 Kd2 win in 15 half-moves
8 Rc2 win in 29 half-moves
9 Kf1 draw
10 Kd1 loss in 2 half-moves
11 Kd3 loss in 2 half-moves
12 Ke1 loss in 2 half-moves
13 Ke3 loss in 2 half-moves
14 Kf2 loss in 2 half-moves
15 Kf3 loss in 2 half-moves
16 Ra1 loss in 2 half-moves