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

EGTB: draw

# move score
1 Ra8 draw
2 Rb4 draw
3 Rc4 draw
4 Rd4 draw
5 Re4 draw
6 Ra1 loss in 2 half-moves
7 Ra2 loss in 2 half-moves
8 Ra3 loss in 2 half-moves
9 Ra5 loss in 2 half-moves
10 Ra6 loss in 2 half-moves
11 Ra7 loss in 2 half-moves
12 Rf4 loss in 2 half-moves
13 Rg4 loss in 2 half-moves
14 Rh4 loss in 2 half-moves