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 Ka7 draw
3 Ka8 draw
4 Kb7 draw
5 Kc7 draw
6 Kc8 draw
7 Ra4 draw
8 Ra5 draw
9 Ra6 draw
10 Ra8 draw
11 Rb2 draw
12 Rc2 draw
13 Rf2 draw
14 Rg2 draw
15 Ra1 loss in 2 half-moves
16 Ra7 loss in 2 half-moves
17 Rh2 loss in 2 half-moves
18 Rd2 loss in 1 half-moves
19 Re2 loss in 1 half-moves