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

EGTB: loss in 7 half-moves

# move score
1 Rb2 loss in 6 half-moves
2 Rb1 loss in 4 half-moves
3 Rb3 loss in 4 half-moves
4 Kc1 loss in 2 half-moves
5 Kc2 loss in 2 half-moves
6 Kd2 loss in 2 half-moves
7 Ke1 loss in 2 half-moves
8 Ke2 loss in 2 half-moves
9 Ra7 loss in 2 half-moves
10 Rb4 loss in 2 half-moves
11 Rb5 loss in 2 half-moves
12 Rb6 loss in 2 half-moves
13 Rg7 loss in 2 half-moves
14 Rh7 loss in 2 half-moves
15 Rb8 loss in 1 half-moves
16 Rc7 loss in 1 half-moves
17 Rd7 loss in 1 half-moves
18 Re7 loss in 1 half-moves
19 Rf7 loss in 1 half-moves