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 Kb8 draw
5 Kc3 draw
6 Ke2 draw
7 Ke3 draw
8 Ke4 draw
9 Rc4 draw
10 Rd5 draw
11 Rd6 draw
12 Rd7 draw
13 Rd8 draw
14 Re4 draw
15 Rf4 draw
16 Rg4 draw
17 Rh4 draw
18 Kc2 loss in 2 half-moves
19 Kc4 loss in 2 half-moves
20 Kd2 loss in 2 half-moves
21 Ra4 loss in 1 half-moves