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 Rc2 win in 3 half-moves
3 Rb6 win in 5 half-moves
4 Rd2 win in 5 half-moves
5 Kc5 draw
6 Kc6 draw
7 Kc7 draw
8 Kd5 draw
9 Kd7 draw
10 Ke5 draw
11 Ke6 draw
12 Ke7 draw
13 Ra2 draw
14 Rb1 draw
15 Rb3 draw
16 Rb4 draw
17 Re2 draw
18 Rf2 draw
19 Rb7 loss in 2 half-moves
20 Rb8 loss in 2 half-moves
21 Rg2 loss in 2 half-moves
22 Rh2 loss in 2 half-moves