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

EGTB: loss in 9 half-moves

# move score
1 Rf4 loss in 8 half-moves
2 Re4 loss in 4 half-moves
3 Rg4 loss in 4 half-moves
4 Rh4 loss in 4 half-moves
5 Kd1 loss in 2 half-moves
6 Kd2 loss in 2 half-moves
7 Ke2 loss in 2 half-moves
8 Kf1 loss in 2 half-moves
9 Kf2 loss in 2 half-moves
10 Rb1 loss in 2 half-moves
11 Rb2 loss in 2 half-moves
12 Rb3 loss in 2 half-moves
13 Rb5 loss in 2 half-moves
14 Rc4 loss in 2 half-moves
15 Rd4 loss in 2 half-moves
16 Ra4 loss in 1 half-moves
17 Rb6 loss in 1 half-moves
18 Rb7 loss in 1 half-moves
19 Rb8 loss in 1 half-moves