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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Kb2 draw
3 Kb3 draw
4 Kc2 draw
5 Kc4 draw
6 Kd4 draw
7 Rb1 draw
8 Rb2 draw
9 Rb3 draw
10 Kd2 loss in 4 half-moves
11 Kd3 loss in 4 half-moves
12 Ra4 loss in 4 half-moves
13 Rf4 loss in 4 half-moves
14 Rb5 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rb7 loss in 2 half-moves
17 Rc4 loss in 2 half-moves
18 Rd4 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rh4 loss in 2 half-moves