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 Kb5 draw
4 Kb7 draw
5 Ra4 draw
6 Rb2 draw
7 Rb5 draw
8 Rc4 draw
9 Ka5 loss in 8 half-moves
10 Ka6 loss in 8 half-moves
11 Kc5 loss in 2 half-moves
12 Kc6 loss in 2 half-moves
13 Kc7 loss in 2 half-moves
14 Rb3 loss in 2 half-moves
15 Rd4 loss in 2 half-moves
16 Re4 loss in 2 half-moves
17 Rf4 loss in 2 half-moves
18 Rg4 loss in 1 half-moves
19 Rh4 loss in 1 half-moves