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

EGTB: win in 2 half-moves

# move score
1 Kb4 win in 1 half-moves
2 Rh8 win in 1 half-moves
3 K3b2 draw
4 K2b2 loss in 2 half-moves
5 K2b3 loss in 2 half-moves
6 K3b3 loss in 2 half-moves
7 Ka1 loss in 2 half-moves
8 Ka4 loss in 2 half-moves
9 Kb1 loss in 2 half-moves
10 Ra4 loss in 2 half-moves
11 Ra5 loss in 2 half-moves
12 Ra6 loss in 2 half-moves
13 Ra7 loss in 2 half-moves
14 Rb8 loss in 2 half-moves
15 Rc8 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rg8 loss in 2 half-moves