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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Rd1 win in 1 half-moves
3 Rd6 win in 1 half-moves
4 Rd8 win in 1 half-moves
5 Ra4 loss in 2 half-moves
6 Rc4 loss in 2 half-moves
7 Rd2 loss in 2 half-moves
8 Rd3 loss in 2 half-moves
9 Rd5 loss in 2 half-moves
10 Rd7 loss in 2 half-moves
11 Re4 loss in 2 half-moves
12 Rf4 loss in 2 half-moves
13 Rg4 loss in 2 half-moves
14 Rh4 loss in 2 half-moves