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

EGTB: win in 2 half-moves

# move score
1 Ra8 win in 1 half-moves
2 Ka3 draw
3 Kb5 draw
4 Kh2 draw
5 Ra6 draw
6 Ra7 draw
7 Rb5 draw
8 Rc5 draw
9 Rh5 draw
10 Kb3 loss in 2 half-moves
11 Kb4 loss in 2 half-moves
12 Kg1 loss in 2 half-moves
13 Kg2 loss in 2 half-moves
14 Rd5 loss in 2 half-moves
15 Re5 loss in 2 half-moves
16 Rf5 loss in 2 half-moves
17 Rg5 loss in 2 half-moves