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 Ra1 draw
3 Ra2 draw
4 Ra4 draw
5 Ra8 draw
6 Rd5 draw
7 Re5 draw
8 Rf5 draw
9 Rg5 draw
10 Ka7 loss in 2 half-moves
11 Ka8 loss in 2 half-moves
12 Kb7 loss in 2 half-moves
13 Kc7 loss in 2 half-moves
14 Kc8 loss in 2 half-moves
15 Ra6 loss in 2 half-moves
16 Ra7 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rc5 loss in 2 half-moves
19 Rh5 loss in 2 half-moves