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

EGTB: win in 8 half-moves

# move score
1 Ra1 win in 7 half-moves
2 Ka5 draw
3 Ka7 draw
4 Kb5 draw
5 Kb6 draw
6 Kb7 draw
7 Kc1 draw
8 Kc2 draw
9 Kd2 draw
10 Ke1 draw
11 Ke2 draw
12 Ra2 draw
13 Rb3 draw
14 Rc3 draw
15 Rd3 draw
16 Re3 draw
17 Rf3 draw
18 Ra4 loss in 2 half-moves
19 Ra5 loss in 2 half-moves
20 Rg3 loss in 2 half-moves
21 Rh3 loss in 2 half-moves