Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Ra1 win in 1 half-moves
2 Ka6 draw
3 Ka7 draw
4 Ka8 draw
5 Kb6 draw
6 Kb8 draw
7 Ra2 draw
8 Ra4 draw
9 Ra5 draw
10 Ra7 draw
11 Rb3 draw
12 Rc3 draw
13 Kc6 loss in 12 half-moves
14 Kc7 loss in 8 half-moves
15 Kc8 loss in 6 half-moves
16 Rd3 loss in 4 half-moves
17 Re3 loss in 4 half-moves
18 Ra6 loss in 2 half-moves
19 Ra8 loss in 2 half-moves
20 Rf3 loss in 2 half-moves
21 Rh3 loss in 2 half-moves
22 Rg3 loss in 1 half-moves