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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Rb2 win in 3 half-moves
3 Ka5 win in 7 half-moves
4 Kb3 win in 7 half-moves
5 Kb5 win in 7 half-moves
6 Kb6 win in 7 half-moves
7 Ra2 win in 7 half-moves
8 Ka7 draw
9 Kb2 draw
10 Kb7 draw
11 Kc4 draw
12 Kd2 draw
13 Kd3 draw
14 Rc1 draw
15 Rd2 draw
16 Rh2 draw
17 Kd4 loss in 2 half-moves
18 Re2 loss in 2 half-moves
19 Rf2 loss in 2 half-moves
20 Rg2 loss in 2 half-moves