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 Rh8 win in 5 half-moves
5 Rf8 win in 9 half-moves
6 Rg8 win in 9 half-moves
7 Ke5 draw
8 Ke6 draw
9 Kff6 draw
10 Kfg6 draw
11 Kgf6 draw
12 Kgg6 draw
13 Kh5 draw
14 Kh6 draw
15 Ra8 draw
16 Rb3 draw
17 Rb7 draw
18 Rc8 draw
19 Rd8 draw
20 Ke4 loss in 2 half-moves
21 Kff4 loss in 2 half-moves
22 Kfg4 loss in 2 half-moves
23 Kgf4 loss in 2 half-moves
24 Kgg4 loss in 2 half-moves
25 Kh4 loss in 2 half-moves
26 Rb1 loss in 2 half-moves
27 Rb2 loss in 2 half-moves
28 Re8 loss in 2 half-moves