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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Kb7 draw
3 Kc7 draw
4 Kd7 draw
5 Kd8 draw
6 Rb3 draw
7 Rb8 draw
8 Rc4 draw
9 Re4 draw
10 Kb8 loss in 22 half-moves
11 Rf4 loss in 20 half-moves
12 Ra4 loss in 8 half-moves
13 Rb2 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rb7 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rh4 loss in 2 half-moves