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 Ka6 draw
3 Kb6 draw
4 Kc6 draw
5 Kc7 draw
6 Ra8 draw
7 Rh5 draw
8 Ra7 loss in 16 half-moves
9 Kb8 loss in 14 half-moves
10 Ka8 loss in 10 half-moves
11 Ka7 loss in 6 half-moves
12 Kc8 loss in 6 half-moves
13 Re5 loss in 4 half-moves
14 Ra1 loss in 2 half-moves
15 Ra2 loss in 2 half-moves
16 Ra3 loss in 2 half-moves
17 Ra6 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rc5 loss in 2 half-moves
20 Rd5 loss in 2 half-moves
21 Rf5 loss in 1 half-moves
22 Rg5 loss in 1 half-moves