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 Kb6 draw
3 Kb7 draw
4 Kb8 draw
5 Rb5 draw
6 Rd5 draw
7 Re5 draw
8 Rf5 draw
9 Ka6 loss in 2 half-moves
10 Ka8 loss in 2 half-moves
11 Kg1 loss in 2 half-moves
12 Kg2 loss in 2 half-moves
13 Kh2 loss in 2 half-moves
14 Ra1 loss in 2 half-moves
15 Ra2 loss in 2 half-moves
16 Ra4 loss in 2 half-moves
17 Ra6 loss in 2 half-moves
18 Rc5 loss in 2 half-moves
19 Rg5 loss in 2 half-moves
20 Rh5 loss in 2 half-moves