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

EGTB: win in 4 half-moves

# move score
1 Ra5 win in 3 half-moves
2 Rb5 win in 3 half-moves
3 Rf1 win in 3 half-moves
4 Re1 win in 5 half-moves
5 Ra3 win in 7 half-moves
6 Rb3 win in 7 half-moves
7 Ra6 win in 13 half-moves
8 Rb6 win in 13 half-moves
9 Rd1 win in 13 half-moves
10 Kb5 draw
11 Kb6 draw
12 Kb7 draw
13 Kc5 draw
14 Kc7 draw
15 Kd5 draw
16 Kd6 draw
17 Kd7 draw
18 Rc1 draw
19 Ra2 loss in 2 half-moves
20 Ra4 loss in 2 half-moves
21 Ra7 loss in 2 half-moves
22 Ra8 loss in 2 half-moves
23 Rb2 loss in 2 half-moves
24 Rb4 loss in 2 half-moves
25 Rb7 loss in 2 half-moves
26 Rb8 loss in 2 half-moves
27 Rg1 loss in 2 half-moves
28 Rh1 loss in 2 half-moves