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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 K1b2 draw
3 K2b2 draw
4 Ra8 draw
5 Rb1 draw
6 Rb2 draw
7 Rb3 draw
8 Rb4 draw
9 Rb5 draw
10 Rc8 draw
11 Rd8 draw
12 Re8 draw
13 K2b1 loss in 2 half-moves
14 Ka3 loss in 2 half-moves
15 Kb3 loss in 2 half-moves
16 K1b1 loss in 1 half-moves
17 Rb6 loss in 1 half-moves
18 Rf8 loss in 1 half-moves
19 Rg8 loss in 1 half-moves
20 Rh8 loss in 1 half-moves