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

EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 Rb5 win in 3 half-moves
3 Rb6 win in 3 half-moves
4 Rb7 win in 7 half-moves
5 Kd5 draw
6 Kd6 draw
7 Ke6 draw
8 Kf5 draw
9 Kf6 draw
10 Ra8 draw
11 Rb1 draw
12 Re8 draw
13 Rh8 draw
14 Kd4 loss in 2 half-moves
15 Ke4 loss in 2 half-moves
16 Kf4 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Rc8 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rg8 loss in 2 half-moves