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

EGTB: draw

# move score
1 Rb7 draw
2 Rb8 draw
3 Rg6 draw
4 Ka3 loss in 2 half-moves
5 Kaa1 loss in 2 half-moves
6 Kab2 loss in 2 half-moves
7 Kb3 loss in 2 half-moves
8 Kba1 loss in 2 half-moves
9 Kbb2 loss in 2 half-moves
10 Kc1 loss in 2 half-moves
11 Kc2 loss in 2 half-moves
12 Ra6 loss in 2 half-moves
13 Rb2 loss in 2 half-moves
14 Rb3 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rc6 loss in 2 half-moves
18 Rd6 loss in 2 half-moves
19 Re6 loss in 2 half-moves
20 Rf6 loss in 2 half-moves
21 Rh6 loss in 2 half-moves