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

EGTB: win in 2 half-moves

# move score
1 Ra5 win in 1 half-moves
2 Ka7 draw
3 Ka8 draw
4 Kb7 draw
5 Ra3 draw
6 Ra8 draw
7 Rb1 draw
8 Rc1 draw
9 Rg1 draw
10 Rh1 draw
11 Kc7 loss in 2 half-moves
12 Kc8 loss in 2 half-moves
13 Ra2 loss in 2 half-moves
14 Ra4 loss in 2 half-moves
15 Ra6 loss in 2 half-moves
16 Ra7 loss in 2 half-moves
17 Rd1 loss in 2 half-moves
18 Re1 loss in 2 half-moves
19 Rf1 loss in 2 half-moves