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

EGTB: draw

# move score
1 Rg2 draw
2 Rg3 draw
3 Rg4 draw
4 Rf8 loss in 4 half-moves
5 Kc7 loss in 2 half-moves
6 Kc8 loss in 2 half-moves
7 Kd7 loss in 2 half-moves
8 Ke7 loss in 2 half-moves
9 Ke8 loss in 2 half-moves
10 Re8 loss in 2 half-moves
11 Rg1 loss in 2 half-moves
12 Rg5 loss in 2 half-moves
13 Rg6 loss in 2 half-moves
14 Rg7 loss in 2 half-moves
15 Rh8 loss in 2 half-moves