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

EGTB: win in 4 half-moves

# move score
1 Rc7 win in 3 half-moves
2 Rd2 win in 3 half-moves
3 Rd8 draw
4 Re7 draw
5 Rf7 draw
6 Rg7 draw
7 Rh7 draw
8 Ra7 loss in 2 half-moves
9 Rb7 loss in 2 half-moves
10 Rd1 loss in 2 half-moves
11 Rd3 loss in 2 half-moves
12 Rd4 loss in 2 half-moves
13 Rd5 loss in 2 half-moves
14 Rd6 loss in 2 half-moves