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

EGTB: draw

# move score
1 Rc1 draw
2 Rc2 draw
3 Rc3 draw
4 Rc4 draw
5 Kg1 loss in 2 half-moves
6 Kg2 loss in 2 half-moves
7 Kh2 loss in 2 half-moves
8 Ra8 loss in 2 half-moves
9 Rb8 loss in 2 half-moves
10 Rc5 loss in 2 half-moves
11 Rc6 loss in 2 half-moves
12 Rd8 loss in 2 half-moves
13 Re8 loss in 2 half-moves
14 Rg8 loss in 2 half-moves
15 Rh8 loss in 2 half-moves
16 Rc7 loss in 1 half-moves
17 Rf8 loss in 1 half-moves