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 Rb6 win in 5 half-moves
3 Rb8 win in 5 half-moves
4 Kc7 win in 7 half-moves
5 Kb7 draw
6 Kb8 draw
7 Kd7 draw
8 Kd8 draw
9 Ke6 draw
10 Ke7 draw
11 Kf7 draw
12 Kg5 draw
13 Kg6 draw
14 Kg7 draw
15 Ra4 draw
16 Rb5 draw
17 Rc4 draw
18 Rd4 draw
19 Rh4 draw
20 Ke5 loss in 2 half-moves
21 Kf5 loss in 2 half-moves
22 Rb1 loss in 2 half-moves
23 Rb2 loss in 2 half-moves
24 Rb3 loss in 2 half-moves
25 Re4 loss in 2 half-moves
26 Rf4 loss in 2 half-moves
27 Rg4 loss in 2 half-moves