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

EGTB: win in 2 half-moves

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