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

EGTB: draw

# move score
1 Ra7 draw
2 Rc7 draw
3 Rd7 draw
4 Re1 draw
5 Re3 draw
6 Re5 draw
7 Rf7 draw
8 Rg7 draw
9 g5 loss in 2 half-moves
10 Rb7 loss in 2 half-moves
11 Re2 loss in 2 half-moves
12 Re4 loss in 2 half-moves
13 Re6 loss in 2 half-moves
14 Re8 loss in 2 half-moves
15 Rh7 loss in 2 half-moves