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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Ka5 draw
3 Ka6 draw
4 Kb5 draw
5 Kc5 draw
6 Kc6 draw
7 Ra3 draw
8 Rc3 draw
9 Rd3 draw
10 Re3 draw
11 Kc7 loss in 8 half-moves
12 Ka7 loss in 4 half-moves
13 Kb7 loss in 4 half-moves
14 Rb1 loss in 2 half-moves
15 Rb2 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rg3 loss in 2 half-moves
18 Rh3 loss in 2 half-moves
19 Rf3 loss in 1 half-moves