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

EGTB: win in 2 half-moves

# move score
1 Re3 win in 1 half-moves
2 Rb6 loss in 18 half-moves
3 Ra6 loss in 12 half-moves
4 Kb1 loss in 2 half-moves
5 Kb2 loss in 2 half-moves
6 Kc2 loss in 2 half-moves
7 Kd1 loss in 2 half-moves
8 Kd2 loss in 2 half-moves
9 Rc6 loss in 2 half-moves
10 Rd6 loss in 2 half-moves
11 Re1 loss in 2 half-moves
12 Re2 loss in 2 half-moves
13 Rf6 loss in 2 half-moves
14 Rh6 loss in 2 half-moves
15 Re4 loss in 1 half-moves
16 Re5 loss in 1 half-moves
17 Re7 loss in 1 half-moves
18 Re8 loss in 1 half-moves
19 Rg6 loss in 1 half-moves