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 Rb6 draw
4 Re3 draw
5 Re4 draw
6 Re7 draw
7 Kf1 loss in 2 half-moves
8 Kf2 loss in 2 half-moves
9 Kg2 loss in 2 half-moves
10 Kh1 loss in 2 half-moves
11 Kh2 loss in 2 half-moves
12 Ra6 loss in 2 half-moves
13 Rc6 loss in 2 half-moves
14 Rd6 loss in 2 half-moves
15 Re5 loss in 2 half-moves
16 Re8 loss in 2 half-moves
17 Rg6 loss in 2 half-moves
18 Rh6 loss in 2 half-moves
19 Rf6 loss in 1 half-moves