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

EGTB: draw

# move score
1 Rb3 draw
2 Rc7 draw
3 Rf7 draw
4 Rg7 draw
5 Rh7 draw
6 Ka7 loss in 2 half-moves
7 Ka8 loss in 2 half-moves
8 Kg1 loss in 2 half-moves
9 Kg2 loss in 2 half-moves
10 Kh2 loss in 2 half-moves
11 Ra7 loss in 2 half-moves
12 Rb1 loss in 2 half-moves
13 Rb2 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rb5 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rd7 loss in 2 half-moves
18 Re7 loss in 2 half-moves
19 Kc7 loss in 1 half-moves
20 Kc8 loss in 1 half-moves