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

EGTB: loss in 5 half-moves

# move score
1 Ra1 loss in 4 half-moves
2 Ka7 loss in 2 half-moves
3 Kb7 loss in 2 half-moves
4 Kb8 loss in 2 half-moves
5 Rb1 loss in 2 half-moves
6 Rc1 loss in 2 half-moves
7 Rd1 loss in 2 half-moves
8 Re2 loss in 2 half-moves
9 Re3 loss in 2 half-moves
10 Re4 loss in 2 half-moves
11 Rf1 loss in 2 half-moves
12 Rh1 loss in 2 half-moves
13 Re5 loss in 1 half-moves
14 Re6 loss in 1 half-moves
15 Re7 loss in 1 half-moves
16 Re8 loss in 1 half-moves
17 Rg1 loss in 1 half-moves