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

EGTB: loss in 5 half-moves

# move score
1 Rb8 loss in 4 half-moves
2 Kc7 loss in 2 half-moves
3 Kc8 loss in 2 half-moves
4 Kd7 loss in 2 half-moves
5 Ke7 loss in 2 half-moves
6 Ke8 loss in 2 half-moves
7 Ra5 loss in 2 half-moves
8 Rb2 loss in 2 half-moves
9 Rb3 loss in 2 half-moves
10 Rb4 loss in 2 half-moves
11 Rb6 loss in 2 half-moves
12 Rb7 loss in 2 half-moves
13 Rf5 loss in 2 half-moves
14 Rh5 loss in 2 half-moves
15 Rb1 loss in 1 half-moves
16 Rc5 loss in 1 half-moves
17 Rd5 loss in 1 half-moves
18 Re5 loss in 1 half-moves
19 Rg5 loss in 1 half-moves