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 Ka6 draw
3 Kb5 draw
4 Kb6 draw
5 Kg7 draw
6 Kh5 draw
7 Ra4 draw
8 Rb2 draw
9 Rb3 draw
10 Rf4 draw
11 Rb1 loss in 2 half-moves
12 Rb5 loss in 2 half-moves
13 Rb6 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Rc4 loss in 2 half-moves
16 Rd4 loss in 2 half-moves
17 Re4 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rh4 loss in 2 half-moves
20 Ka4 loss in 1 half-moves
21 Kg5 loss in 1 half-moves
22 Kg6 loss in 1 half-moves
23 Kh7 loss in 1 half-moves