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

EGTB: win in 4 half-moves

# move score
1 Re7 win in 3 half-moves
2 f7 draw
3 Ra5 draw
4 Re3 draw
5 Re4 draw
6 Re6 draw
7 Re8 draw
8 Rf5 draw
9 Rg5 draw
10 Rh5 draw
11 Rb5 loss in 2 half-moves
12 Rc5 loss in 2 half-moves
13 Rd5 loss in 2 half-moves
14 Re1 loss in 2 half-moves
15 Re2 loss in 2 half-moves