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

EGTB: loss in 5 half-moves

# move score
1 Rb4 loss in 4 half-moves
2 Rf4 loss in 4 half-moves
3 Ke1 loss in 2 half-moves
4 Ke2 loss in 2 half-moves
5 Kf2 loss in 2 half-moves
6 Kg1 loss in 2 half-moves
7 Kg2 loss in 2 half-moves
8 Rc4 loss in 2 half-moves
9 Rd4 loss in 2 half-moves
10 Re4 loss in 2 half-moves
11 Rg1 loss in 2 half-moves
12 Rg2 loss in 2 half-moves
13 Rg3 loss in 2 half-moves
14 Rg8 loss in 2 half-moves
15 Rh4 loss in 2 half-moves
16 Ra4 loss in 1 half-moves
17 Rg5 loss in 1 half-moves
18 Rg6 loss in 1 half-moves
19 Rg7 loss in 1 half-moves