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

EGTB: win in 4 half-moves

# move score
1 Kb3 win in 3 half-moves
2 Kf2 win in 7 half-moves
3 Kb5 draw
4 Kf1 draw
5 Kg2 draw
6 Kh1 draw
7 Kh2 draw
8 Rb2 draw
9 Rb3 draw
10 Rd1 draw
11 Ka3 loss in 2 half-moves
12 Ka4 loss in 2 half-moves
13 Ka5 loss in 2 half-moves
14 Kc3 loss in 2 half-moves
15 Kc4 loss in 2 half-moves
16 Kc5 loss in 2 half-moves
17 Ra1 loss in 2 half-moves
18 Rc1 loss in 2 half-moves
19 Re1 loss in 2 half-moves
20 Rf1 loss in 2 half-moves