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

EGTB: win in 2 half-moves

# move score
1 Rb6 win in 1 half-moves
2 Rg8 draw
3 Ka1 loss in 2 half-moves
4 Ka4 loss in 2 half-moves
5 Kaa2 loss in 2 half-moves
6 Kab3 loss in 2 half-moves
7 Kb1 loss in 2 half-moves
8 Kb4 loss in 2 half-moves
9 Kba2 loss in 2 half-moves
10 Kbb3 loss in 2 half-moves
11 Kc1 loss in 2 half-moves
12 Kc2 loss in 2 half-moves
13 Kc3 loss in 2 half-moves
14 Ra8 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Rc8 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Re8 loss in 2 half-moves
22 Rf8 loss in 2 half-moves
23 Rh8 loss in 2 half-moves