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 Kb1 draw
3 Kb2 draw
4 Kc2 draw
5 Ra4 draw
6 Rb1 draw
7 Rb5 draw
8 Rb6 draw
9 Rb7 draw
10 Rc4 draw
11 Rh4 draw
12 Kd1 loss in 2 half-moves
13 Kd2 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rd4 loss in 2 half-moves
17 Re4 loss in 2 half-moves
18 Rf4 loss in 2 half-moves
19 Rg4 loss in 2 half-moves