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

EGTB: loss in 9 half-moves

# move score
1 Rb4 loss in 8 half-moves
2 Ra4 loss in 4 half-moves
3 Rc4 loss in 4 half-moves
4 Rd4 loss in 4 half-moves
5 Kb7 loss in 2 half-moves
6 Kb8 loss in 2 half-moves
7 Kc7 loss in 2 half-moves
8 Kd7 loss in 2 half-moves
9 Kd8 loss in 2 half-moves
10 Re5 loss in 2 half-moves
11 Re6 loss in 2 half-moves
12 Re7 loss in 2 half-moves
13 Re8 loss in 2 half-moves
14 Rf4 loss in 2 half-moves
15 Rg4 loss in 2 half-moves
16 Re1 loss in 1 half-moves
17 Re2 loss in 1 half-moves
18 Re3 loss in 1 half-moves
19 Rh4 loss in 1 half-moves