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

EGTB: win in 4 half-moves

# move score
1 Kb1 win in 3 half-moves
2 Kc4 win in 3 half-moves
3 Kd1 win in 3 half-moves
4 K1b2 draw
5 K1d2 draw
6 Rf2 draw
7 K3b2 loss in 2 half-moves
8 K3d2 loss in 2 half-moves
9 Kb3 loss in 2 half-moves
10 Kb4 loss in 2 half-moves
11 Kd3 loss in 2 half-moves
12 Kd4 loss in 2 half-moves
13 Ra2 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rd2 loss in 2 half-moves
16 Re2 loss in 2 half-moves
17 Rg2 loss in 2 half-moves
18 Rh2 loss in 2 half-moves