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