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 Rb6 draw
4 Rc8 draw
5 Rd8 draw
6 Re8 draw
7 Rf8 draw
8 Rg8 draw
9 Rh8 draw
10 Ka7 loss in 2 half-moves
11 Kb7 loss in 2 half-moves
12 Kf1 loss in 2 half-moves
13 Kf2 loss in 2 half-moves
14 Kg2 loss in 2 half-moves
15 Kh1 loss in 2 half-moves
16 Kh2 loss in 2 half-moves
17 Rb1 loss in 2 half-moves
18 Rb2 loss in 2 half-moves
19 Rb3 loss in 2 half-moves
20 Rb7 loss in 2 half-moves