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 Ra5 win in 3 half-moves
3 Rd1 win in 5 half-moves
4 Ka7 win in 7 half-moves
5 Ka8 win in 7 half-moves
6 Kb4 win in 7 half-moves
7 Kb5 win in 7 half-moves
8 Ra4 win in 7 half-moves
9 Rb1 win in 7 half-moves
10 Kd5 win in 9 half-moves
11 Kb7 win in 11 half-moves
12 Kc5 win in 11 half-moves
13 Kd4 win in 11 half-moves
14 Ra2 win in 11 half-moves
15 Kb3 draw
16 Kc3 draw
17 Kd3 draw
18 Ra6 draw
19 Ra8 draw
20 Rc1 draw
21 Rf1 draw
22 Rh1 draw
23 Kc7 loss in 2 half-moves
24 Kc8 loss in 2 half-moves
25 Ra7 loss in 2 half-moves
26 Re1 loss in 2 half-moves
27 Rg1 loss in 2 half-moves