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 Rc6 loss in 6 half-moves
3 Kb4 loss in 4 half-moves
4 Kb5 loss in 4 half-moves
5 Kb6 loss in 4 half-moves
6 Kc4 loss in 4 half-moves
7 Kc6 loss in 4 half-moves
8 Ra8 loss in 4 half-moves
9 Rc7 loss in 4 half-moves
10 Rd8 loss in 4 half-moves
11 Kd4 loss in 2 half-moves
12 Kd5 loss in 2 half-moves
13 Kd6 loss in 2 half-moves
14 Re8 loss in 2 half-moves
15 Rf8 loss in 2 half-moves
16 Rg8 loss in 2 half-moves
17 Rh8 loss in 1 half-moves