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 Ka8 draw
4 Kb6 draw
5 Kb7 draw
6 Kb8 draw
7 Ke3 draw
8 Ke4 draw
9 Ke5 draw
10 Kf5 draw
11 Kg4 draw
12 Rc3 draw
13 Rd3 draw
14 Re3 draw
15 Rf1 draw
16 Rf2 draw
17 Rg3 draw
18 Rh3 draw
19 Kg3 loss in 2 half-moves
20 Kg5 loss in 2 half-moves
21 Rb3 loss in 1 half-moves