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

EGTB: win in 4 half-moves

# move score
1 Rf4 win in 3 half-moves
2 Rg4 win in 3 half-moves
3 Rh4 loss in 4 half-moves
4 Nf7 loss in 2 half-moves
5 Ng6 loss in 2 half-moves
6 Ra4 loss in 2 half-moves
7 Rb4 loss in 2 half-moves
8 Rc1 loss in 2 half-moves
9 Rc2 loss in 2 half-moves
10 Rc3 loss in 2 half-moves
11 Rc7 loss in 2 half-moves
12 Rc8 loss in 2 half-moves
13 Rd4 loss in 2 half-moves
14 Rc5 loss in 1 half-moves
15 Rc6 loss in 1 half-moves
16 Re4 loss in 1 half-moves