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 Ra6 draw
3 Ra7 draw
4 Ra8 draw
5 Rd3 draw
6 Rg3 draw
7 Rh3 draw
8 Ka7 loss in 2 half-moves
9 Ka8 loss in 2 half-moves
10 Kb7 loss in 2 half-moves
11 Kc7 loss in 2 half-moves
12 Kc8 loss in 2 half-moves
13 Ra1 loss in 2 half-moves
14 Ra2 loss in 2 half-moves
15 Ra5 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rc3 loss in 2 half-moves
18 Re3 loss in 2 half-moves
19 Rf3 loss in 2 half-moves