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

EGTB: draw

# move score
1 Kb7 draw
2 Kc7 draw
3 Kc8 draw
4 Ra4 draw
5 Re5 draw
6 Re7 draw
7 Re8 draw
8 Rf4 draw
9 Rg4 draw
10 Rh4 draw
11 Ka8 loss in 16 half-moves
12 Re3 loss in 16 half-moves
13 Ka7 loss in 12 half-moves
14 Rb4 loss in 2 half-moves
15 Rc4 loss in 2 half-moves
16 Rd4 loss in 2 half-moves
17 Re1 loss in 2 half-moves
18 Re2 loss in 2 half-moves
19 Re6 loss in 2 half-moves