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

EGTB: win in 2 half-moves

# move score
1 Ra3 win in 1 half-moves
2 Kb7 draw
3 Kc7 draw
4 Ra4 draw
5 Ra5 draw
6 Ra6 draw
7 Ra8 draw
8 Re7 draw
9 Rf7 draw
10 Rg7 draw
11 Ka8 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 Rb7 loss in 2 half-moves
16 Rc7 loss in 2 half-moves
17 Rd7 loss in 2 half-moves
18 Rh7 loss in 2 half-moves