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

EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 Rb8 win in 11 half-moves
3 Kb7 draw
4 Kb8 draw
5 Kc7 draw
6 Kcd7 draw
7 Kcd8 draw
8 Ke7 draw
9 Ked7 draw
10 Ked8 draw
11 Kf7 draw
12 Kf8 draw
13 Ra4 draw
14 Rb3 draw
15 Rb5 draw
16 Rb6 draw
17 Rh4 draw
18 Rb1 loss in 2 half-moves
19 Rb2 loss in 2 half-moves
20 Rc4 loss in 2 half-moves
21 Rd4 loss in 2 half-moves
22 Re4 loss in 2 half-moves
23 Rf4 loss in 2 half-moves
24 Rg4 loss in 2 half-moves