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

EGTB: win in 2 half-moves

# move score
1 Ra3 win in 1 half-moves
2 Ka6 draw
3 Ka7 draw
4 Ka8 draw
5 Kb6 draw
6 Kb8 draw
7 Kc6 draw
8 Kc7 draw
9 Kc8 draw
10 Ra4 draw
11 Ra6 draw
12 Ra7 draw
13 Ra8 draw
14 Rf5 draw
15 Rg5 draw
16 Rh5 draw
17 Ka2 loss in 2 half-moves
18 Kb1 loss in 2 half-moves
19 Kb2 loss in 2 half-moves
20 Ra2 loss in 2 half-moves
21 Rb5 loss in 2 half-moves
22 Rc5 loss in 2 half-moves
23 Rd5 loss in 2 half-moves
24 Re5 loss in 2 half-moves