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

EGTB: draw

# move score
1 Ka2 draw
2 Ka3 draw
3 Kb1 draw
4 Kb3 draw
5 Kc1 draw
6 Kc2 draw
7 Kc3 draw
8 Rd7 draw
9 Re1 draw
10 Re2 draw
11 Re6 draw
12 Re8 draw
13 Rf7 draw
14 Ka1 loss in 4 half-moves
15 Ra7 loss in 2 half-moves
16 Rb7 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Re3 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Re5 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 Rh7 loss in 2 half-moves