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

EGTB: win in 4 half-moves

# move score
1 Kab5 win in 3 half-moves
2 Kb4 win in 3 half-moves
3 Kb7 win in 3 half-moves
4 Kc7 win in 3 half-moves
5 Rb2 win in 3 half-moves
6 Ka3 win in 5 half-moves
7 Kb3 win in 5 half-moves
8 Ra3 win in 5 half-moves
9 Ka5 draw
10 Kb6 draw
11 Kc5 draw
12 Kcb5 draw
13 Kd5 draw
14 Kd6 draw
15 Ra1 draw
16 Rc2 draw
17 Rd2 draw
18 Re2 draw
19 Kd7 loss in 2 half-moves
20 Rf2 loss in 2 half-moves
21 Rg2 loss in 2 half-moves
22 Rh2 loss in 2 half-moves