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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Kb1 draw
3 Kc2 draw
4 Kd2 draw
5 Rb1 draw
6 Rb2 draw
7 Rb4 draw
8 Rb7 draw
9 Kd1 loss in 4 half-moves
10 Rf8 loss in 4 half-moves
11 Kb2 loss in 2 half-moves
12 Rb5 loss in 2 half-moves
13 Rb6 loss in 2 half-moves
14 Rc8 loss in 2 half-moves
15 Rd8 loss in 2 half-moves
16 Re8 loss in 2 half-moves
17 Rg8 loss in 2 half-moves
18 Rh8 loss in 2 half-moves
19 Ra8 loss in 1 half-moves