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

EGTB: win in 12 half-moves

# move score
1 Rb8 win in 11 half-moves
2 Ka3 draw
3 Ka5 draw
4 Kb3 draw
5 Kb5 draw
6 Kf7 draw
7 Kf8 draw
8 Kg7 draw
9 Kh7 draw
10 Kh8 draw
11 Rb3 draw
12 Rb5 draw
13 Rb6 draw
14 Rb7 draw
15 Rc4 draw
16 Rd4 draw
17 Re4 draw
18 Rf4 draw
19 Rb1 loss in 2 half-moves
20 Rb2 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Rh4 loss in 2 half-moves