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

EGTB: draw

# move score
1 Rb4 draw
2 Rb5 draw
3 Rf1 draw
4 Rg1 draw
5 Rh1 draw
6 Ka1 loss in 2 half-moves
7 Ka3 loss in 2 half-moves
8 Kb2 loss in 2 half-moves
9 Kb3 loss in 2 half-moves
10 Ra1 loss in 2 half-moves
11 Rb2 loss in 2 half-moves
12 Rb3 loss in 2 half-moves
13 Rb6 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Rb8 loss in 2 half-moves
16 Rc1 loss in 2 half-moves
17 Rd1 loss in 2 half-moves
18 Re1 loss in 2 half-moves