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

EGTB: win in 6 half-moves

# move score
1 Rb7 win in 5 half-moves
2 Rb8 win in 5 half-moves
3 Rg2 win in 5 half-moves
4 Rh2 win in 5 half-moves
5 Kd8 draw
6 Kef8 draw
7 Kgf8 draw
8 Kh8 draw
9 Ra2 draw
10 Rb1 draw
11 Rb6 draw
12 Rc2 draw
13 Kd7 loss in 2 half-moves
14 Ke7 loss in 2 half-moves
15 Kef7 loss in 2 half-moves
16 Kg7 loss in 2 half-moves
17 Kgf7 loss in 2 half-moves
18 Kh7 loss in 2 half-moves
19 Rb3 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Rb5 loss in 2 half-moves
22 Rd2 loss in 2 half-moves
23 Re2 loss in 2 half-moves
24 Rf2 loss in 2 half-moves