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 Ka7 draw
3 Kb7 draw
4 Kc7 draw
5 Kc8 draw
6 Ra4 draw
7 Rb2 loss in 12 half-moves
8 Rb3 loss in 12 half-moves
9 Rb5 loss in 12 half-moves
10 Rc4 loss in 8 half-moves
11 Ka8 loss in 6 half-moves
12 Rd4 loss in 4 half-moves
13 Rb6 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Re4 loss in 2 half-moves
16 Rf4 loss in 2 half-moves
17 Rh4 loss in 2 half-moves
18 Rg4 loss in 1 half-moves