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 Ka6 draw
3 Ka8 draw
4 Kb6 draw
5 Kb7 draw
6 Kb8 draw
7 Ra1 draw
8 Ra2 draw
9 Ra3 draw
10 Rb5 draw
11 Rc5 loss in 4 half-moves
12 Rd5 loss in 4 half-moves
13 Ra6 loss in 2 half-moves
14 Rf5 loss in 2 half-moves
15 Rg5 loss in 2 half-moves
16 Rh5 loss in 2 half-moves
17 Re5 loss in 1 half-moves