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

EGTB: draw

# move score
1 Ra4 draw
2 Rb4 draw
3 Rc1 draw
4 Rc2 draw
5 Rc7 draw
6 Rc8 draw
7 Rd4 draw
8 Re4 draw
9 Rf4 draw
10 h2 loss in 2 half-moves
11 Rc3 loss in 2 half-moves
12 Rc5 loss in 2 half-moves
13 Rc6 loss in 2 half-moves
14 Rg4 loss in 2 half-moves
15 Rh4 loss in 2 half-moves