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

EGTB: win in 2 half-moves

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