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

EGTB: win in 4 half-moves

# move score
1 Re1 win in 3 half-moves
2 Re2 win in 3 half-moves
3 Ra6 draw
4 Rb6 draw
5 Rc6 draw
6 Rd6 draw
7 Re3 draw
8 Re4 draw
9 Re5 draw
10 Kf1 loss in 2 half-moves
11 Kf2 loss in 2 half-moves
12 Kgg2 loss in 2 half-moves
13 Kgh2 loss in 2 half-moves
14 Khg2 loss in 2 half-moves
15 Khh2 loss in 2 half-moves
16 Re7 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rf6 loss in 2 half-moves
19 Rg6 loss in 2 half-moves
20 Rh6 loss in 2 half-moves