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 Rd4 win in 1 half-moves
3 Rg4 win in 1 half-moves
4 Rh4 win in 1 half-moves
5 Rb1 draw
6 Rb2 draw
7 Rb7 draw
8 Ka7 loss in 2 half-moves
9 Ka8 loss in 2 half-moves
10 Kb7 loss in 2 half-moves
11 Kc7 loss in 2 half-moves
12 Kc8 loss in 2 half-moves
13 Ra4 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rc4 loss in 2 half-moves
17 Re4 loss in 2 half-moves
18 Rf4 loss in 2 half-moves