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

EGTB: draw

# move score
1 Kb1 draw
2 Rc8 draw
3 Rd1 draw
4 Rd2 draw
5 Rd6 draw
6 Rd7 draw
7 Re8 loss in 4 half-moves
8 Ka2 loss in 2 half-moves
9 Kb2 loss in 2 half-moves
10 Ra8 loss in 2 half-moves
11 Rb8 loss in 2 half-moves
12 Rd3 loss in 2 half-moves
13 Rd4 loss in 2 half-moves
14 Rd5 loss in 2 half-moves
15 Rf8 loss in 2 half-moves
16 Rg8 loss in 2 half-moves
17 Rh8 loss in 2 half-moves