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 Ka4 draw
3 Ka6 draw
4 Kb5 draw
5 Kb6 draw
6 Ra1 draw
7 Rb2 draw
8 Rc2 draw
9 Rh2 draw
10 Rg2 loss in 4 half-moves
11 Kb4 loss in 2 half-moves
12 Ra4 loss in 2 half-moves
13 Rd2 loss in 2 half-moves
14 Re2 loss in 2 half-moves
15 Rf2 loss in 2 half-moves