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

EGTB: win in 2 half-moves

# move score
1 Ra4 win in 1 half-moves
2 Ka7 draw
3 Ka8 draw
4 Kb7 draw
5 Kc7 draw
6 Kc8 draw
7 Ra1 draw
8 Ra2 draw
9 Ra5 draw
10 Ra6 draw
11 Ra7 draw
12 Ra8 draw
13 Rb3 draw
14 Rc3 draw
15 Rd3 draw
16 Re3 draw
17 Rg3 draw
18 Rh3 draw
19 Rf3 loss in 2 half-moves