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

EGTB: win in 4 half-moves

# move score
1 Rb5 win in 3 half-moves
2 Rd1 win in 3 half-moves
3 Rf1 win in 3 half-moves
4 Rb6 win in 5 half-moves
5 Re1 win in 5 half-moves
6 Kd5 draw
7 Kd6 draw
8 Kd7 draw
9 Ke5 draw
10 Ke7 draw
11 Kf5 draw
12 Ra1 draw
13 Rb2 draw
14 Rb3 draw
15 Rb4 draw
16 Rc1 draw
17 Kf6 loss in 2 half-moves
18 Kf7 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rb8 loss in 2 half-moves
21 Rg1 loss in 2 half-moves
22 Rh1 loss in 2 half-moves