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

EGTB: win in 2 half-moves

# move score
1 Re4 win in 1 half-moves
2 Ra1 loss in 8 half-moves
3 Ra2 loss in 4 half-moves
4 Ra3 loss in 4 half-moves
5 Kf1 loss in 2 half-moves
6 Kf2 loss in 2 half-moves
7 Kf3 loss in 2 half-moves
8 Kg1 loss in 2 half-moves
9 Kg3 loss in 2 half-moves
10 Kh1 loss in 2 half-moves
11 Kh2 loss in 2 half-moves
12 Kh3 loss in 2 half-moves
13 Ra5 loss in 2 half-moves
14 Ra6 loss in 2 half-moves
15 Ra7 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rf4 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rh4 loss in 2 half-moves
20 Ra8 loss in 1 half-moves
21 Rc4 loss in 1 half-moves
22 Rd4 loss in 1 half-moves