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

EGTB: draw

# move score
1 Rb1 draw
2 Rb7 draw
3 Rc8 draw
4 Rg8 draw
5 Rh8 draw
6 Rb5 loss in 4 half-moves
7 Kg1 loss in 2 half-moves
8 Kg2 loss in 2 half-moves
9 Kh2 loss in 2 half-moves
10 Ra8 loss in 2 half-moves
11 Rb2 loss in 2 half-moves
12 Rb3 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rb6 loss in 2 half-moves
15 Rd8 loss in 2 half-moves
16 Re8 loss in 2 half-moves
17 Rf8 loss in 2 half-moves