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

EGTB: loss in 15 half-moves

# move score
1 Rb8 loss in 14 half-moves
2 Kb7 loss in 8 half-moves
3 Kd6 loss in 8 half-moves
4 Kb8 loss in 6 half-moves
5 Kd7 loss in 6 half-moves
6 Kd8 loss in 6 half-moves
7 Ra8 loss in 6 half-moves
8 Kb6 loss in 4 half-moves
9 Kc6 loss in 4 half-moves
10 Rd8 loss in 2 half-moves
11 Re8 loss in 2 half-moves
12 Rf8 loss in 2 half-moves
13 Rg8 loss in 2 half-moves
14 Rh8 loss in 2 half-moves