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 Ra4 draw
3 Rb1 draw
4 Rb2 draw
5 Rb7 draw
6 Rb8 draw
7 Rf4 draw
8 Rg4 draw
9 Kb7 loss in 2 half-moves
10 Kb8 loss in 2 half-moves
11 Kc7 loss in 2 half-moves
12 Kd7 loss in 2 half-moves
13 Kd8 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rh4 loss in 2 half-moves
17 Rc4 loss in 1 half-moves
18 Rd4 loss in 1 half-moves
19 Re4 loss in 1 half-moves