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

EGTB: win in 4 half-moves

# move score
1 Rd1 win in 3 half-moves
2 Rb2 win in 5 half-moves
3 Rb3 win in 5 half-moves
4 Rc1 win in 5 half-moves
5 Re1 win in 5 half-moves
6 Rb7 win in 7 half-moves
7 Kd4 draw
8 Kd5 draw
9 Kd6 draw
10 Ke4 draw
11 Ke6 draw
12 Ra1 draw
13 Rb5 draw
14 Rb8 draw
15 Kf4 loss in 2 half-moves
16 Kf5 loss in 2 half-moves
17 Kf6 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rg1 loss in 2 half-moves
22 Rh1 loss in 2 half-moves