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 Kc1 win in 3 half-moves
3 Ka4 win in 5 half-moves
4 Kc2 win in 5 half-moves
5 Kd2 win in 5 half-moves
6 Ra1 win in 21 half-moves
7 Ka6 draw
8 Kb5 draw
9 Kb6 draw
10 Ke1 draw
11 Ke2 draw
12 Ra3 draw
13 Ra4 draw
14 Rb2 draw
15 Rc2 draw
16 Rg2 draw
17 Rh2 draw
18 Rd2 loss in 2 half-moves
19 Re2 loss in 2 half-moves
20 Rf2 loss in 2 half-moves