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

EGTB: win in 2 half-moves

# move score
1 Rc7 win in 1 half-moves
2 Kg7 draw
3 Kg8 draw
4 Kh7 draw
5 Ra1 draw
6 Ra5 draw
7 Ra6 draw
8 Ra8 draw
9 Rb7 draw
10 Rd7 draw
11 Re7 draw
12 Rf7 draw
13 Ra2 loss in 2 half-moves
14 Ra3 loss in 2 half-moves
15 Ra4 loss in 2 half-moves
16 Rg7 loss in 2 half-moves
17 Rh7 loss in 2 half-moves