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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Rb5 draw
3 Rb6 draw
4 Rb7 draw
5 Re4 draw
6 Rf4 draw
7 Rg4 draw
8 Rh4 draw
9 Ka1 loss in 2 half-moves
10 Ka2 loss in 2 half-moves
11 Ka5 loss in 2 half-moves
12 Ka7 loss in 2 half-moves
13 Kb2 loss in 2 half-moves
14 Kb5 loss in 2 half-moves
15 Kb6 loss in 2 half-moves
16 Kb7 loss in 2 half-moves
17 Kc1 loss in 2 half-moves
18 Kc2 loss in 2 half-moves
19 Ra4 loss in 2 half-moves
20 Rb2 loss in 2 half-moves
21 Rb3 loss in 2 half-moves
22 Rc4 loss in 2 half-moves
23 Rd4 loss in 2 half-moves