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

EGTB: win in 4 half-moves

# move score
1 Rf7 win in 3 half-moves
2 Rf8 win in 3 half-moves
3 Ra4 draw
4 Rb4 draw
5 Bg1 loss in 2 half-moves
6 Bg3 loss in 2 half-moves
7 Rc4 loss in 2 half-moves
8 Rd4 loss in 2 half-moves
9 Re4 loss in 2 half-moves
10 Rf1 loss in 2 half-moves
11 Rf2 loss in 2 half-moves
12 Rf3 loss in 2 half-moves
13 Rf5 loss in 2 half-moves
14 Rf6 loss in 2 half-moves
15 Rg4 loss in 2 half-moves
16 Rh4 loss in 2 half-moves