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 Ka3 draw
3 Ka5 draw
4 Rb1 draw
5 Rb2 draw
6 Rb5 draw
7 Rb6 draw
8 Rb7 draw
9 Kb3 loss in 2 half-moves
10 Kb5 loss in 2 half-moves
11 Ke7 loss in 1 half-moves
12 Ke8 loss in 1 half-moves
13 Kf7 loss in 1 half-moves
14 Kg7 loss in 1 half-moves
15 Kg8 loss in 1 half-moves
16 Rb3 loss in 1 half-moves
17 Rc4 loss in 1 half-moves
18 Rd4 loss in 1 half-moves
19 Re4 loss in 1 half-moves
20 Rf4 loss in 1 half-moves
21 Rg4 loss in 1 half-moves
22 Rh4 loss in 1 half-moves