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

EGTB: win in 10 half-moves

# move score
1 Rb8 win in 9 half-moves
2 Ka3 draw
3 Rb1 draw
4 Rb3 draw
5 Rb5 draw
6 Rb6 draw
7 Rb7 draw
8 Rc4 draw
9 Rg4 draw
10 Rh4 draw
11 Ka1 loss in 2 half-moves
12 Kb1 loss in 2 half-moves
13 Kb2 loss in 2 half-moves
14 Kd6 loss in 2 half-moves
15 Kd7 loss in 2 half-moves
16 Kd8 loss in 2 half-moves
17 Ke6 loss in 2 half-moves
18 Ke8 loss in 2 half-moves
19 Kf6 loss in 2 half-moves
20 Kf7 loss in 2 half-moves
21 Kf8 loss in 2 half-moves
22 Ra4 loss in 2 half-moves
23 Rb2 loss in 2 half-moves
24 Rd4 loss in 2 half-moves
25 Re4 loss in 2 half-moves
26 Rf4 loss in 2 half-moves
27 Kb3 loss in 1 half-moves