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 Kd7 draw
3 Kd8 draw
4 Ke7 draw
5 Kf7 draw
6 Kf8 draw
7 Ra4 draw
8 Rc1 draw
9 Rc6 draw
10 Rc7 draw
11 Rc8 draw
12 Rd4 draw
13 Re4 draw
14 Rf4 draw
15 Rg4 draw
16 Rh4 draw
17 Ka7 loss in 2 half-moves
18 Kb7 loss in 2 half-moves
19 Kb8 loss in 2 half-moves
20 Rc2 loss in 2 half-moves
21 Rc3 loss in 2 half-moves
22 Rc5 loss in 2 half-moves