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

EGTB: draw

# move score
1 Rb3 draw
2 Rb4 draw
3 Rb5 draw
4 Rc7 draw
5 Rd7 draw
6 Re7 draw
7 Rf7 draw
8 Rg7 draw
9 Rh7 draw
10 Ke2 loss in 2 half-moves
11 Ke3 loss in 2 half-moves
12 Ke4 loss in 2 half-moves
13 Kf2 loss in 2 half-moves
14 Kf4 loss in 2 half-moves
15 Kg2 loss in 2 half-moves
16 Kg3 loss in 2 half-moves
17 Kg4 loss in 2 half-moves
18 Ra7 loss in 2 half-moves
19 Rb1 loss in 2 half-moves
20 Rb2 loss in 2 half-moves
21 Rb6 loss in 2 half-moves
22 Rb8 loss in 2 half-moves