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

EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Rb5 win in 7 half-moves
3 Rb6 win in 7 half-moves
4 Rb7 win in 7 half-moves
5 Ka7 draw
6 Kb7 draw
7 Kb8 draw
8 Kc6 draw
9 Kc7 draw
10 Kc8 draw
11 Kd6 draw
12 Kd8 draw
13 Ke6 draw
14 Ke7 draw
15 Ke8 draw
16 Ra4 draw
17 Rc4 draw
18 Rg4 draw
19 Rb1 loss in 2 half-moves
20 Rb2 loss in 2 half-moves
21 Rb3 loss in 2 half-moves
22 Rd4 loss in 2 half-moves
23 Re4 loss in 2 half-moves
24 Rf4 loss in 2 half-moves
25 Rh4 loss in 2 half-moves