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

EGTB: win in 8 half-moves

# move score
1 Rb8 win in 7 half-moves
2 Kb5 draw
3 Kc5 draw
4 Kd5 draw
5 Rb5 draw
6 Rb6 draw
7 Rf4 draw
8 Rg4 draw
9 Rh4 draw
10 Kb6 loss in 2 half-moves
11 Kb7 loss in 2 half-moves
12 Kc7 loss in 2 half-moves
13 Kd6 loss in 2 half-moves
14 Kd7 loss in 2 half-moves
15 Ke7 loss in 2 half-moves
16 Ke8 loss in 2 half-moves
17 Kf7 loss in 2 half-moves
18 Kg7 loss in 2 half-moves
19 Kg8 loss in 2 half-moves
20 Ra4 loss in 2 half-moves
21 Rb1 loss in 2 half-moves
22 Rb2 loss in 2 half-moves
23 Rb3 loss in 2 half-moves
24 Rb7 loss in 2 half-moves
25 Rc4 loss in 2 half-moves
26 Rd4 loss in 2 half-moves
27 Re4 loss in 2 half-moves