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

EGTB: draw

# move score
1 Rc7 draw
2 Re7 draw
3 Rf7 draw
4 Rg7 draw
5 Rh7 draw
6 Ra8 loss in 4 half-moves
7 Nb4 loss in 2 half-moves
8 Nb8 loss in 2 half-moves
9 Nc5 loss in 2 half-moves
10 Nc7 loss in 2 half-moves
11 Rb7 loss in 2 half-moves
12 Rd7 loss in 2 half-moves