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

EGTB: draw

# move score
1 Re1 draw
2 Re3 draw
3 Rf8 draw
4 Rg8 loss in 4 half-moves
5 Rh8 loss in 4 half-moves
6 Kc7 loss in 2 half-moves
7 Kc8 loss in 2 half-moves
8 Kd7 loss in 2 half-moves
9 Ke7 loss in 2 half-moves
10 Re2 loss in 2 half-moves
11 Re4 loss in 2 half-moves
12 Re5 loss in 2 half-moves
13 Re6 loss in 2 half-moves
14 Re7 loss in 2 half-moves