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 Ka7 draw
3 Kb7 draw
4 Kc5 draw
5 Kc6 draw
6 Kc7 draw
7 Rb1 draw
8 Rb2 draw
9 Rb3 draw
10 Rf5 draw
11 Rg5 draw
12 Rh5 draw
13 Ka5 loss in 2 half-moves
14 Ka6 loss in 2 half-moves
15 Ra5 loss in 2 half-moves
16 Rc5 loss in 2 half-moves
17 Rd5 loss in 2 half-moves
18 Re5 loss in 2 half-moves