On the August 4 broadcast of JTBC's fierce girl group survival program 'R U Next?', the 18 contestants competed in Round 4 - the 'Position Battle'. 

[SPOILERS AHEAD]

First, the Vocal B unit (Yewon, Minju, Chanelle, Seoyeon) performed Taeyeon's "Spark", with each vocalist successfully showcasing their unique color. Against the B unit, the Vocal A unit (Jiwoo, Wonhee, Yunah, Jeongeun) sang "Across The Universe" by Baek Ye Rin and impressed the judges with their strong teamwork. 

Next, the Dance A unit (Youngseo, Ruka, Moa, Iroha, Hyewon) brought out their high energy with After School's "Bang!", while the Dance B unit (Jihyun, Moka, Jeemin, Funa, Himena) captivated with a refreshing performance of "Tell Me" by Wonder Girls. 

Combining the scores given by the coaching panel, the first round global votes, and the benefits earned by the winning teams of each position type, the rankings of the 18 contestants underwent a dramatic mix-up. Here are the rankings of the contestants after Round 4, below:

1st place: Youngseo

2nd place: Jiwoo

3rd place: Iroha

4th place: Jihyun

5th place: Jeemin

6th place: Minju

7th place: Wonhee

8th place: Yunah

9th place: Moka

10th place: Chanelle

11th place: Jeongeun

12th place: Himena

13th place: Funa

14th place: Hyewon

15th place: Seoyeon

Finally, the 16th, 17th, and 18th place contestants who were eliminated on this day were Moa, Ruka, and Yewon.

Next week on 'R U Next?', the remaining 15 contestants will begin the 'Color Mission', evaluating the trainees' abilities at understanding stage concepts.