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

EGTB: draw

# move score
1 Ra2 draw
2 Rb1 draw
3 Rc2 draw
4 Rg2 draw
5 Rh2 draw
6 Rb3 loss in 2 half-moves
7 Rb4 loss in 2 half-moves
8 Rb5 loss in 2 half-moves
9 Rb6 loss in 2 half-moves
10 Rb7 loss in 2 half-moves
11 Rb8 loss in 2 half-moves
12 Rd2 loss in 2 half-moves
13 Re2 loss in 2 half-moves
14 Rf2 loss in 2 half-moves