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

EGTB: win in 4 half-moves

# move score
1 Ka4 win in 3 half-moves
2 Kc4 win in 3 half-moves
3 Kb4 win in 5 half-moves
4 Kb2 draw
5 Re1 draw
6 Ka2 loss in 2 half-moves
7 Ka3 loss in 2 half-moves
8 Kc2 loss in 2 half-moves
9 Kc3 loss in 2 half-moves
10 Ra1 loss in 2 half-moves
11 Rb2 loss in 2 half-moves
12 Rc1 loss in 2 half-moves
13 Rd1 loss in 2 half-moves
14 Rf1 loss in 2 half-moves
15 Rg1 loss in 2 half-moves
16 Rh1 loss in 2 half-moves