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

EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 Ra4 win in 7 half-moves
3 Ka7 draw
4 Ka8 draw
5 Kbb7 draw
6 Kbc7 draw
7 Kcb7 draw
8 Kcc7 draw
9 Kd7 draw
10 Kd8 draw
11 Rb3 draw
12 Rb5 draw
13 Rb6 draw
14 Rf4 draw
15 Rb1 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rc4 loss in 2 half-moves
18 Rd4 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rh4 loss in 2 half-moves