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

EGTB: draw

# move score
1 h2 draw
2 Rc7 draw
3 Rd7 draw
4 Rh6 draw
5 Rh8 draw
6 Ra7 loss in 2 half-moves
7 Rb7 loss in 2 half-moves
8 Re7 loss in 2 half-moves
9 Rf7 loss in 2 half-moves
10 Rg7 loss in 2 half-moves
11 Rh4 loss in 2 half-moves
12 Rh5 loss in 2 half-moves