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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Rb2 draw
3 Rb5 draw
4 Rb6 draw
5 Rb7 draw
6 Ka5 loss in 2 half-moves
7 Ka7 loss in 2 half-moves
8 Kb5 loss in 2 half-moves
9 Kb6 loss in 2 half-moves
10 Kb7 loss in 2 half-moves
11 Ra4 loss in 2 half-moves
12 Rb1 loss in 2 half-moves
13 Rb3 loss in 2 half-moves
14 Rc4 loss in 2 half-moves
15 Rh4 loss in 2 half-moves
16 Rd4 loss in 1 half-moves
17 Re4 loss in 1 half-moves
18 Rf4 loss in 1 half-moves
19 Rg4 loss in 1 half-moves