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

EGTB: draw

# move score
1 Rc3 draw
2 Re3 draw
3 Rf3 draw
4 Rg3 draw
5 Ra1 loss in 4 half-moves
6 Ra2 loss in 4 half-moves
7 Ka4 loss in 2 half-moves
8 Ka6 loss in 2 half-moves
9 Kb4 loss in 2 half-moves
10 Kb5 loss in 2 half-moves
11 Kb6 loss in 2 half-moves
12 Ra4 loss in 2 half-moves
13 Rb3 loss in 2 half-moves
14 Rd3 loss in 2 half-moves
15 Rh3 loss in 2 half-moves