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

EGTB: draw

# move score
1 Rb3 draw
2 Ra8 loss in 10 half-moves
3 Ra7 loss in 6 half-moves
4 Ra2 loss in 4 half-moves
5 Ra6 loss in 4 half-moves
6 Kg7 loss in 2 half-moves
7 Kg8 loss in 2 half-moves
8 Kh7 loss in 2 half-moves
9 Ra4 loss in 2 half-moves
10 Ra5 loss in 2 half-moves
11 Rf3 loss in 2 half-moves
12 Rg3 loss in 2 half-moves
13 Rh3 loss in 2 half-moves
14 Ra1 loss in 1 half-moves
15 Rc3 loss in 1 half-moves
16 Rd3 loss in 1 half-moves
17 Re3 loss in 1 half-moves