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

EGTB: win in 4 half-moves

# move score
1 Ra3 win in 3 half-moves
2 Rf5 win in 3 half-moves
3 Ke5 win in 5 half-moves
4 Rb5 win in 5 half-moves
5 Rb6 win in 5 half-moves
6 Rc5 win in 5 half-moves
7 Rc6 win in 5 half-moves
8 Rd5 win in 5 half-moves
9 Kc5 win in 7 half-moves
10 Kd5 win in 7 half-moves
11 Ke6 win in 7 half-moves
12 Ra7 win in 9 half-moves
13 Ra8 win in 9 half-moves
14 Kc6 win in 11 half-moves
15 Ke7 win in 15 half-moves
16 Kd7 win in 17 half-moves
17 Kc7 win in 23 half-moves
18 Ra2 draw
19 Rg5 draw
20 Ra1 loss in 2 half-moves
21 Ra4 loss in 2 half-moves
22 Re5 loss in 2 half-moves
23 Rh5 loss in 2 half-moves