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

EGTB: loss in 9 half-moves

# move score
1 Rb8 loss in 8 half-moves
2 Ra8 loss in 6 half-moves
3 Kb1 loss in 4 half-moves
4 Kb2 loss in 4 half-moves
5 Kc2 loss in 4 half-moves
6 Rc6 loss in 4 half-moves
7 Rc7 loss in 4 half-moves
8 Rd8 loss in 4 half-moves
9 Kd1 loss in 2 half-moves
10 Kd2 loss in 2 half-moves
11 Rc2 loss in 2 half-moves
12 Rc3 loss in 2 half-moves
13 Rc4 loss in 2 half-moves
14 Rc5 loss in 2 half-moves
15 Re8 loss in 2 half-moves
16 Rf8 loss in 2 half-moves
17 Rg8 loss in 2 half-moves
18 Rh8 loss in 2 half-moves