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 Kc7 draw
3 Kc8 draw
4 Kd7 draw
5 Ke2 draw
6 Ke3 draw
7 Ke4 draw
8 Ke7 draw
9 Ke8 draw
10 Kf2 draw
11 Kg2 draw
12 Ra4 draw
13 Rc1 draw
14 Rc2 draw
15 Rc3 draw
16 Rc8 draw
17 Rd4 draw
18 Re4 draw
19 Rf4 draw
20 Kf4 loss in 2 half-moves
21 Kg3 loss in 2 half-moves
22 Kg4 loss in 2 half-moves
23 Rc5 loss in 2 half-moves
24 Rc6 loss in 2 half-moves
25 Rc7 loss in 2 half-moves
26 Rg4 loss in 2 half-moves
27 Rh4 loss in 2 half-moves