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

EGTB: draw

# move score
1 Kb1 draw
2 Ra5 draw
3 Rb5 draw
4 Rc5 draw
5 Rd5 draw
6 Re1 draw
7 Re2 draw
8 Re3 draw
9 Re4 draw
10 Ka2 loss in 2 half-moves
11 Kb2 loss in 2 half-moves
12 Re6 loss in 2 half-moves
13 Re7 loss in 2 half-moves
14 Re8 loss in 2 half-moves
15 Rf5 loss in 2 half-moves
16 Rg5 loss in 2 half-moves
17 Rh5 loss in 2 half-moves