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

EGTB: draw

# move score
1 Rb6 draw
2 Rb7 draw
3 Rb8 draw
4 Kb2 loss in 14 half-moves
5 Ra1 loss in 6 half-moves
6 Kb3 loss in 4 half-moves
7 Kb4 loss in 4 half-moves
8 Rc1 loss in 4 half-moves
9 Kc2 loss in 2 half-moves
10 Kc4 loss in 2 half-moves
11 Kd2 loss in 2 half-moves
12 Kd3 loss in 2 half-moves
13 Kd4 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rd1 loss in 2 half-moves
19 Re1 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rg1 loss in 2 half-moves
22 Rh1 loss in 1 half-moves