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

EGTB: loss in 5 half-moves

# move score
1 Rf1 loss in 4 half-moves
2 Rf2 loss in 4 half-moves
3 Kg7 loss in 2 half-moves
4 Kg8 loss in 2 half-moves
5 Kh7 loss in 2 half-moves
6 Re4 loss in 2 half-moves
7 Rf5 loss in 2 half-moves
8 Rf6 loss in 2 half-moves
9 Rf7 loss in 2 half-moves
10 Rf8 loss in 2 half-moves
11 Rg4 loss in 2 half-moves
12 Rh4 loss in 2 half-moves
13 Ra4 loss in 1 half-moves
14 Rb4 loss in 1 half-moves
15 Rc4 loss in 1 half-moves
16 Rd4 loss in 1 half-moves
17 Rf3 loss in 1 half-moves