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

EGTB: win in 16 half-moves

# move score
1 Rb8 win in 15 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 Ka5 loss in 2 half-moves
12 Kb5 loss in 2 half-moves
13 Kd7 loss in 2 half-moves
14 Kd8 loss in 2 half-moves
15 Ke7 loss in 2 half-moves
16 Kf7 loss in 2 half-moves
17 Kf8 loss in 2 half-moves
18 Rb2 loss in 2 half-moves
19 Rd4 loss in 2 half-moves
20 Re4 loss in 2 half-moves
21 Rf4 loss in 2 half-moves
22 Kb3 loss in 1 half-moves