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

EGTB: win in 4 half-moves

# move score
1 Ra3 win in 3 half-moves
2 Kb3 win in 5 half-moves
3 Kb4 win in 5 half-moves
4 Ka5 win in 13 half-moves
5 Kd3 win in 13 half-moves
6 Ke3 win in 15 half-moves
7 Ka3 draw
8 Kd4 draw
9 Kf3 draw
10 Kf4 draw
11 Ra1 draw
12 Rb2 draw
13 Rc2 draw
14 Re2 draw
15 Rg2 draw
16 Rh2 draw
17 Kb5 loss in 2 half-moves
18 Kd5 loss in 2 half-moves
19 Ke5 loss in 2 half-moves
20 Kf5 loss in 2 half-moves
21 Rd2 loss in 2 half-moves
22 Rf2 loss in 2 half-moves