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 Ka7 draw
3 Ka8 draw
4 Kbb7 draw
5 Kbc7 draw
6 Kcb7 draw
7 Kcc7 draw
8 Kd7 draw
9 Kd8 draw
10 Ra5 draw
11 Ra7 draw
12 Ra8 draw
13 Re6 draw
14 Rf6 draw
15 Rg6 draw
16 Rh6 draw
17 Ra1 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Ra3 loss in 2 half-moves
20 Rb6 loss in 2 half-moves
21 Rc6 loss in 2 half-moves
22 Rd6 loss in 2 half-moves