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 Rd2 win in 3 half-moves
3 Ra2 win in 5 half-moves
4 Rb3 win in 5 half-moves
5 Rc2 win in 5 half-moves
6 Re2 win in 5 half-moves
7 Kd5 win in 7 half-moves
8 Kd6 win in 7 half-moves
9 Ke4 win in 7 half-moves
10 Kf4 win in 7 half-moves
11 Kd4 draw
12 Rb1 draw
13 Rb5 draw
14 Rh2 draw
15 Ke6 loss in 2 half-moves
16 Kf5 loss in 2 half-moves
17 Kf6 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rb8 loss in 2 half-moves
21 Rf2 loss in 2 half-moves
22 Rg2 loss in 2 half-moves