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

EGTB: draw

# move score
1 Rc3 draw
2 Rc5 draw
3 Rc7 draw
4 Rf2 draw
5 Rh2 loss in 6 half-moves
6 Rg2 loss in 4 half-moves
7 g6 loss in 2 half-moves
8 Ra2 loss in 2 half-moves
9 Rb2 loss in 2 half-moves
10 Rc1 loss in 2 half-moves
11 Rc4 loss in 2 half-moves
12 Rc6 loss in 2 half-moves
13 Rc8 loss in 2 half-moves
14 Rd2 loss in 2 half-moves
15 Re2 loss in 2 half-moves