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 Kg1 loss in 2 half-moves
3 Kg2 loss in 2 half-moves
4 Kg3 loss in 2 half-moves
5 Kh1 loss in 2 half-moves
6 Kh3 loss in 2 half-moves
7 Rc8 loss in 2 half-moves
8 Rd8 loss in 2 half-moves
9 Re1 loss in 2 half-moves
10 Re2 loss in 2 half-moves
11 Re3 loss in 2 half-moves
12 Re5 loss in 2 half-moves
13 Re6 loss in 2 half-moves
14 Re7 loss in 2 half-moves
15 Rf8 loss in 2 half-moves
16 Rg8 loss in 2 half-moves
17 Rh8 loss in 2 half-moves
18 Ra8 loss in 1 half-moves
19 Re4 loss in 1 half-moves