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 Ka7 draw
5 Kb7 draw
6 Kc1 draw
7 Kc2 draw
8 Kc5 draw
9 Kd2 draw
10 Ke1 draw
11 Ke2 draw
12 Ra5 draw
13 Rb1 draw
14 Rb2 draw
15 Rb3 draw
16 Rc5 draw
17 Rg5 draw
18 Rh5 draw
19 Kc6 loss in 2 half-moves
20 Kc7 loss in 2 half-moves
21 Rd5 loss in 2 half-moves
22 Re5 loss in 2 half-moves
23 Rf5 loss in 2 half-moves