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

EGTB: draw

# move score
1 Rb8 draw
2 Rc8 draw
3 Rd8 draw
4 Re1 draw
5 Re2 draw
6 Re3 draw
7 Re4 draw
8 Re5 draw
9 Rg8 draw
10 Ka2 loss in 2 half-moves
11 Ka3 loss in 2 half-moves
12 Ka4 loss in 2 half-moves
13 Kb2 loss in 2 half-moves
14 Kb4 loss in 2 half-moves
15 Kc2 loss in 2 half-moves
16 Kc3 loss in 2 half-moves
17 Kc4 loss in 2 half-moves
18 Ra8 loss in 2 half-moves
19 Re6 loss in 2 half-moves
20 Re7 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves