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

EGTB: win in 4 half-moves

# move score
1 Re2 win in 3 half-moves
2 Ra6 draw
3 Rb6 draw
4 Rc6 draw
5 Rd6 draw
6 Re4 draw
7 Re5 draw
8 Re7 draw
9 Re8 draw
10 Re1 loss in 2 half-moves
11 Re3 loss in 2 half-moves
12 Rf6 loss in 2 half-moves
13 Rg6 loss in 2 half-moves
14 Rh6 loss in 2 half-moves