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

EGTB: loss in 5 half-moves

# move score
1 Rf4 loss in 4 half-moves
2 Kf1 loss in 2 half-moves
3 Kf2 loss in 2 half-moves
4 Kg2 loss in 2 half-moves
5 Kh1 loss in 2 half-moves
6 Kh2 loss in 2 half-moves
7 Rb1 loss in 2 half-moves
8 Rb2 loss in 2 half-moves
9 Rb3 loss in 2 half-moves
10 Rb5 loss in 2 half-moves
11 Rb7 loss in 2 half-moves
12 Rb8 loss in 2 half-moves
13 Rc4 loss in 2 half-moves
14 Rd4 loss in 2 half-moves
15 Re4 loss in 2 half-moves
16 Rg4 loss in 2 half-moves
17 Rh4 loss in 2 half-moves
18 Ra4 loss in 1 half-moves
19 Rb6 loss in 1 half-moves