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 Kb2 loss in 6 half-moves
3 Kd2 loss in 6 half-moves
4 Kb1 loss in 4 half-moves
5 Kc1 loss in 4 half-moves
6 Kd1 loss in 4 half-moves
7 Ra2 loss in 4 half-moves
8 Rh4 loss in 4 half-moves
9 Kb3 loss in 2 half-moves
10 Kc3 loss in 2 half-moves
11 Kd3 loss in 2 half-moves
12 Ra1 loss in 2 half-moves
13 Ra3 loss in 2 half-moves
14 Ra5 loss in 2 half-moves
15 Ra6 loss in 2 half-moves
16 Ra7 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rd4 loss in 2 half-moves
20 Ra8 loss in 1 half-moves
21 Rf4 loss in 1 half-moves
22 Rg4 loss in 1 half-moves